The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
Protein Sorting Signals
Adaptor Proteins, Signal Transducing
A broad category of carrier proteins that play a role in SIGNAL TRANSDUCTION. They generally contain several modular domains, each of which having its own binding activity, and act by forming complexes with other intracellular-signaling molecules. Signal-transducing adaptor proteins lack enzyme activity, however their activity can be modulated by other signal-transducing enzymes
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Amino Acid Sequence
Adaptor Proteins, Vesicular Transport
A class of proteins involved in the transport of molecules via TRANSPORT VESICLES. They perform functions such as binding to the cell membrane, capturing cargo molecules and promoting the assembly of CLATHRIN. The majority of adaptor proteins exist as multi-subunit complexes, however monomeric varieties have also been found.
Cytokine Receptor gp130
GRB2 Adaptor Protein
A signal transducing adaptor protein that links extracellular signals to the MAP KINASE SIGNALING SYSTEM. Grb2 associates with activated EPIDERMAL GROWTH FACTOR RECEPTOR and PLATELET-DERIVED GROWTH FACTOR RECEPTORS via its SH2 DOMAIN. It also binds to and translocates the SON OF SEVENLESS PROTEINS through its SH3 DOMAINS to activate PROTO-ONCOGENE PROTEIN P21(RAS).
Shc Signaling Adaptor Proteins
Adaptor Protein Complex 2
Adaptor Protein Complex 1
GRB10 Adaptor Protein
src Homology Domains
Regions of AMINO ACID SEQUENCE similarity in the SRC-FAMILY TYROSINE KINASES that fold into specific functional tertiary structures. The SH1 domain is a CATALYTIC DOMAIN. SH2 and SH3 domains are protein interaction domains. SH2 usually binds PHOSPHOTYROSINE-containing proteins and SH3 interacts with CYTOSKELETAL PROTEINS.
Receptors, Oncostatin M
Cell surface receptors formed from the dimerization of LIF RECEPTOR ALPHA SUBUNIT with CYTOKINE RECEPTOR GP130. Although originally described as receptors for LEUKEMIA INHIBITORY FACTOR these receptors also bind the closely-related protein ONCOSTATIN M and are referred to as both LIF receptors and type I oncostatin M receptors.
Adaptor Protein Complex alpha Subunits
Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.
Protein Structure, Tertiary
The level of protein structure in which combinations of secondary protein structures (alpha helices, beta sheets, loop regions, and motifs) pack together to form folded shapes called domains. Disulfide bridges between cysteines in two different parts of the polypeptide chain along with other interactions between the chains play a role in the formation and stabilization of tertiary structure. Small proteins usually consist of only one domain but larger proteins may contain a number of domains connected by segments of polypeptide chain which lack regular secondary structure.
Leukemia Inhibitory Factor Receptor alpha Subunit
A receptor subunit that combines with CYTOKINE RECEPTOR GP130 to form the dual specificity receptor for LEUKEMIA INHIBITORY FACTOR and ONCOSTATIN M. The subunit is also a component of the CILIARY NEUROTROPHIC FACTOR RECEPTOR. Both membrane-bound and secreted isoforms of the receptor subunit exist due to ALTERNATIVE SPLICING of its mRNA. The secreted isoform is believed to act as an inhibitory receptor, while the membrane-bound form is a signaling receptor.
Adaptor Protein Complex beta Subunits
Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation.
Recombinant Fusion Proteins
Adaptor Protein Complex mu Subunits
Proto-Oncogene Proteins c-crk
Leukemia Inhibitory Factor
Endosomal Sorting Complexes Required for Transport
A set of protein subcomplexes involved in PROTEIN SORTING of UBIQUITINATED PROTEINS into intraluminal vesicles of MULTIVESICULAR BODIES and in membrane scission during formation of intraluminal vesicles, during the final step of CYTOKINESIS, and during the budding of enveloped viruses. The ESCRT machinery is comprised of the protein products of Class E vacuolar protein sorting genes.
Adaptor Protein Complex 4
Adaptor Protein Complex gamma Subunits
The phenomenon by which a temperate phage incorporates itself into the DNA of a bacterial host, establishing a kind of symbiotic relation between PROPHAGE and bacterium which results in the perpetuation of the prophage in all the descendants of the bacterium. Upon induction (VIRUS ACTIVATION) by various agents, such as ultraviolet radiation, the phage is released, which then becomes virulent and lyses the bacterium.
Sequence Homology, Amino Acid
The main structural coat protein of COATED VESICLES which play a key role in the intracellular transport between membranous organelles. Each molecule of clathrin consists of three light chains (CLATHRIN LIGHT CHAINS) and three heavy chains (CLATHRIN HEAVY CHAINS) that form a structure called a triskelion. Clathrin also interacts with cytoskeletal proteins.
Adaptor Protein Complex Subunits
STAT3 Transcription Factor
Adaptor Protein Complex delta Subunits
Myeloid Differentiation Factor 88
Janus Kinase 1
Receptors, Cell Surface
Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.
CRADD Signaling Adaptor Protein
A cytokine with both pro- and anti-inflammatory actions that depend upon the cellular microenvironment. Oncostatin M is a 28 kDa monomeric glycoprotein that is similar in structure to LEUKEMIA INHIBITORY FACTOR. Its name derives from the the observation that it inhibited the growth of tumor cells and augmented the growth of normal fibroblasts.
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Intracellular Signaling Peptides and Proteins
Proteins and peptides that are involved in SIGNAL TRANSDUCTION within the cell. Included here are peptides and proteins that regulate the activity of TRANSCRIPTION FACTORS and cellular processes in response to signals from CELL SURFACE RECEPTORS. Intracellular signaling peptide and proteins may be part of an enzymatic signaling cascade or act through binding to and modifying the action of other signaling factors.
Gene Expression Regulation
Amino Acid Motifs
Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.
Tumor Cells, Cultured
Strains of mice in which certain GENES of their GENOMES have been disrupted, or "knocked-out". To produce knockouts, using RECOMBINANT DNA technology, the normal DNA sequence of the gene being studied is altered to prevent synthesis of a normal gene product. Cloned cells in which this DNA alteration is successful are then injected into mouse EMBRYOS to produce chimeric mice. The chimeric mice are then bred to yield a strain in which all the cells of the mouse contain the disrupted gene. Knockout mice are used as EXPERIMENTAL ANIMAL MODELS for diseases (DISEASE MODELS, ANIMAL) and to clarify the functions of the genes.
Regulatory proteins that act as molecular switches. They control a wide range of biological processes including: receptor signaling, intracellular signal transduction pathways, and protein synthesis. Their activity is regulated by factors that control their ability to bind to and hydrolyze GTP to GDP. EC 3.6.1.-.
CELL LINES derived from the CV-1 cell line by transformation with a replication origin defective mutant of SV40 VIRUS, which codes for wild type large T antigen (ANTIGENS, POLYOMAVIRUS TRANSFORMING). They are used for transfection and cloning. (The CV-1 cell line was derived from the kidney of an adult male African green monkey (CERCOPITHECUS AETHIOPS).)
GRB7 Adaptor Protein
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.
Two-Hybrid System Techniques
Screening techniques first developed in yeast to identify genes encoding interacting proteins. Variations are used to evaluate interplay between proteins and other molecules. Two-hybrid techniques refer to analysis for protein-protein interactions, one-hybrid for DNA-protein interactions, three-hybrid interactions for RNA-protein interactions or ligand-based interactions. Reverse n-hybrid techniques refer to analysis for mutations or other small molecules that dissociate known interactions.
Crk-Associated Substrate Protein
Crk-associated substrate was originally identified as a highly phosphorylated 130 kDa protein that associates with ONCOGENE PROTEIN CRK and ONCOGENE PROTEIN SRC. It is a signal transducing adaptor protein that undergoes tyrosine PHOSPHORYLATION in signaling pathways that regulate CELL MIGRATION and CELL PROLIFERATION.
Adaptor Protein Complex sigma Subunits
Vesicles formed when cell-membrane coated pits (COATED PITS, CELL-MEMBRANE) invaginate and pinch off. The outer surface of these vesicles is covered with a lattice-like network of the protein CLATHRIN. Shortly after formation, however, the clathrin coat is removed and the vesicles are referred to as ENDOSOMES.
Proto-Oncogene Proteins c-cbl
Cell surface receptors that are specific for INTERLEUKIN-1. Included under this heading are signaling receptors, non-signaling receptors and accessory proteins required for receptor signaling. Signaling from interleukin-1 receptors occurs via interaction with SIGNAL TRANSDUCING ADAPTOR PROTEINS such as MYELOID DIFFERENTIATION FACTOR 88.
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
Monomeric Clathrin Assembly Proteins
Receptors, Antigen, T-Cell
Molecules on the surface of T-lymphocytes that recognize and combine with antigens. The receptors are non-covalently associated with a complex of several polypeptides collectively called CD3 antigens (ANTIGENS, CD3). Recognition of foreign antigen and the major histocompatibility complex is accomplished by a single heterodimeric antigen-receptor structure, composed of either alpha-beta (RECEPTORS, ANTIGEN, T-CELL, ALPHA-BETA) or gamma-delta (RECEPTORS, ANTIGEN, T-CELL, GAMMA-DELTA) chains.
DNA molecules capable of autonomous replication within a host cell and into which other DNA sequences can be inserted and thus amplified. Many are derived from PLASMIDS; BACTERIOPHAGES; or VIRUSES. They are used for transporting foreign genes into recipient cells. Genetic vectors possess a functional replicator site and contain GENETIC MARKERS to facilitate their selective recognition.
Son of Sevenless Proteins
CARD Signaling Adaptor Proteins
A family of intracellular signaling adaptor proteins that contain caspase activation and recruitment domains. Proteins that contain this domain play a role in APOPTOSIS-related signal transduction by associating with other CARD domain-containing members and in activating INITIATOR CASPASES that contain CARD domains within their N-terminal pro-domain region.
A PROTEIN-TYROSINE KINASE family that was originally identified by homology to the Rous sarcoma virus ONCOGENE PROTEIN PP60(V-SRC). They interact with a variety of cell-surface receptors and participate in intracellular signal transduction pathways. Oncogenic forms of src-family kinases can occur through altered regulation or expression of the endogenous protein and by virally encoded src (v-src) genes.
Mitogen-Activated Protein Kinases
A superfamily of PROTEIN-SERINE-THREONINE KINASES that are activated by diverse stimuli via protein kinase cascades. They are the final components of the cascades, activated by phosphorylation by MITOGEN-ACTIVATED PROTEIN KINASE KINASES, which in turn are activated by mitogen-activated protein kinase kinase kinases (MAP KINASE KINASE KINASES).
Phospholipase C gamma
RNA, Small Interfering
Small double-stranded, non-protein coding RNAs (21-31 nucleotides) involved in GENE SILENCING functions, especially RNA INTERFERENCE (RNAi). Endogenously, siRNAs are generated from dsRNAs (RNA, DOUBLE-STRANDED) by the same ribonuclease, Dicer, that generates miRNAs (MICRORNAS). The perfect match of the siRNAs' antisense strand to their target RNAs mediates RNAi by siRNA-guided RNA cleavage. siRNAs fall into different classes including trans-acting siRNA (tasiRNA), repeat-associated RNA (rasiRNA), small-scan RNA (scnRNA), and Piwi protein-interacting RNA (piRNA) and have different specific gene silencing functions.
A family of pattern recognition receptors characterized by an extracellular leucine-rich domain and a cytoplasmic domain that share homology with the INTERLEUKIN 1 RECEPTOR and the DROSOPHILA toll protein. Following pathogen recognition, toll-like receptors recruit and activate a variety of SIGNAL TRANSDUCING ADAPTOR PROTEINS.
Green Fluorescent Proteins
Phosphotransferases that catalyzes the conversion of 1-phosphatidylinositol to 1-phosphatidylinositol 3-phosphate. Many members of this enzyme class are involved in RECEPTOR MEDIATED SIGNAL TRANSDUCTION and regulation of vesicular transport with the cell. Phosphatidylinositol 3-Kinases have been classified both according to their substrate specificity and their mode of action within the cell.
Toll-Like Receptor 4
Paxillin is a signal transducing adaptor protein that localizes to FOCAL ADHESIONS via its four LIM domains. It undergoes PHOSPHORYLATION in response to integrin-mediated CELL ADHESION, and interacts with a variety of proteins including VINCULIN; FOCAL ADHESION KINASE; PROTO-ONCOGENE PROTEIN PP60(C-SRC); and PROTO-ONCOGENE PROTEIN C-CRK.
Fas-Associated Death Domain Protein
A signal-transducing adaptor protein that associates with TNF RECEPTOR complexes. It contains a death effector domain that can interact with death effector domains found on INITIATOR CASPASES such as CASPASE 8 and CASPASE 10. Activation of CASPASES via interaction with this protein plays a role in the signaling cascade that leads to APOPTOSIS.
Cell lines whose original growing procedure consisted being transferred (T) every 3 days and plated at 300,000 cells per plate (J Cell Biol 17:299-313, 1963). Lines have been developed using several different strains of mice. Tissues are usually fibroblasts derived from mouse embryos but other types and sources have been developed as well. The 3T3 lines are valuable in vitro host systems for oncogenic virus transformation studies, since 3T3 cells possess a high sensitivity to CONTACT INHIBITION.
One of the mechanisms by which CELL DEATH occurs (compare with NECROSIS and AUTOPHAGOCYTOSIS). Apoptosis is the mechanism responsible for the physiological deletion of cells and appears to be intrinsically programmed. It is characterized by distinctive morphologic changes in the nucleus and cytoplasm, chromatin cleavage at regularly spaced sites, and the endonucleolytic cleavage of genomic DNA; (DNA FRAGMENTATION); at internucleosomal sites. This mode of cell death serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth.
A gene silencing phenomenon whereby specific dsRNAs (RNA, DOUBLE-STRANDED) trigger the degradation of homologous mRNA (RNA, MESSENGER). The specific dsRNAs are processed into SMALL INTERFERING RNA (siRNA) which serves as a guide for cleavage of the homologous mRNA in the RNA-INDUCED SILENCING COMPLEX. DNA METHYLATION may also be triggered during this process.
The arrangement of two or more amino acid or base sequences from an organism or organisms in such a way as to align areas of the sequences sharing common properties. The degree of relatedness or homology between the sequences is predicted computationally or statistically based on weights assigned to the elements aligned between the sequences. This in turn can serve as a potential indicator of the genetic relatedness between the organisms.
Protein Interaction Domains and Motifs
A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed)
Filamentous proteins that are the main constituent of the thin filaments of muscle fibers. The filaments (known also as filamentous or F-actin) can be dissociated into their globular subunits; each subunit is composed of a single polypeptide 375 amino acids long. This is known as globular or G-actin. In conjunction with MYOSINS, actin is responsible for the contraction and relaxation of muscle.
Coated Pits, Cell-Membrane
Proto-Oncogene Proteins pp60(c-src)
Membrane-associated tyrosine-specific kinases encoded by the c-src genes. They have an important role in cellular growth control. Truncation of carboxy-terminal residues in pp60(c-src) leads to PP60(V-SRC) which has the ability to transform cells. This kinase pp60 c-src should not be confused with csk, also known as c-src kinase.
MAP Kinase Signaling System
An intracellular signaling system involving the MAP kinase cascades (three-membered protein kinase cascades). Various upstream activators, which act in response to extracellular stimuli, trigger the cascades by activating the first member of a cascade, MAP KINASE KINASE KINASES; (MAPKKKs). Activated MAPKKKs phosphorylate MITOGEN-ACTIVATED PROTEIN KINASE KINASES which in turn phosphorylate the MITOGEN-ACTIVATED PROTEIN KINASES; (MAPKs). The MAPKs then act on various downstream targets to affect gene expression. In mammals, there are several distinct MAP kinase pathways including the ERK (extracellular signal-regulated kinase) pathway, the SAPK/JNK (stress-activated protein kinase/c-jun kinase) pathway, and the p38 kinase pathway. There is some sharing of components among the pathways depending on which stimulus originates activation of the cascade.
Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION.
Within a eukaryotic cell, a membrane-limited body which contains chromosomes and one or more nucleoli (CELL NUCLEOLUS). The nuclear membrane consists of a double unit-type membrane which is perforated by a number of pores; the outermost membrane is continuous with the ENDOPLASMIC RETICULUM. A cell may contain more than one nucleus. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
LIM Domain Proteins
A large class of structurally-related proteins that contain one or more LIM zinc finger domains. Many of the proteins in this class are involved in intracellular signaling processes and mediate their effects via LIM domain protein-protein interactions. The name LIM is derived from the first three proteins in which the motif was found: LIN-11, Isl1 and Mec-3.
ZAP-70 Protein-Tyrosine Kinase
A highly conserved 76-amino acid peptide universally found in eukaryotic cells that functions as a marker for intracellular PROTEIN TRANSPORT and degradation. Ubiquitin becomes activated through a series of complicated steps and forms an isopeptide bond to lysine residues of specific proteins within the cell. These "ubiquitinated" proteins can be recognized and degraded by proteosomes or be transported to specific compartments within the cell.
Receptors, Antigen, B-Cell
A diverse class of enzymes that interact with UBIQUITIN-CONJUGATING ENZYMES and ubiquitination-specific protein substrates. Each member of this enzyme group has its own distinct specificity for a substrate and ubiquitin-conjugating enzyme. Ubiquitin-protein ligases exist as both monomeric proteins multiprotein complexes.
Protein Processing, Post-Translational
Any of various enzymatically catalyzed post-translational modifications of PEPTIDES or PROTEINS in the cell of origin. These modifications include carboxylation; HYDROXYLATION; ACETYLATION; PHOSPHORYLATION; METHYLATION; GLYCOSYLATION; ubiquitination; oxidation; proteolysis; and crosslinking and result in changes in molecular weight and electrophoretic motility.
Type C Phospholipases
A subclass of phospholipases that hydrolyze the phosphoester bond found in the third position of GLYCEROPHOSPHOLIPIDS. Although the singular term phospholipase C specifically refers to an enzyme that catalyzes the hydrolysis of PHOSPHATIDYLCHOLINE (EC 22.214.171.124), it is commonly used in the literature to refer to broad variety of enzymes that specifically catalyze the hydrolysis of PHOSPHATIDYLINOSITOLS.
Signal Processing, Computer-Assisted
Receptor, Epidermal Growth Factor
A cell surface receptor involved in regulation of cell growth and differentiation. It is specific for EPIDERMAL GROWTH FACTOR and EGF-related peptides including TRANSFORMING GROWTH FACTOR ALPHA; AMPHIREGULIN; and HEPARIN-BINDING EGF-LIKE GROWTH FACTOR. The binding of ligand to the receptor causes activation of its intrinsic tyrosine kinase activity and rapid internalization of the receptor-ligand complex into the cell.
Vesicular Transport Proteins
A broad category of proteins involved in the formation, transport and dissolution of TRANSPORT VESICLES. They play a role in the intracellular transport of molecules contained within membrane vesicles. Vesicular transport proteins are distinguished from MEMBRANE TRANSPORT PROTEINS, which move molecules across membranes, by the mode in which the molecules are transported.
Retinoblastoma-Like Protein p130
A negative regulator of the CELL CYCLE that undergoes PHOSPHORYLATION by CYCLIN-DEPENDENT KINASES. RBL2 contains a conserved pocket region that binds E2F4 TRANSCRIPTION FACTOR and E2F5 TRANSCRIPTION FACTOR. RBL2 also interacts with viral ONCOPROTEINS such as POLYOMAVIRUS TUMOR ANTIGENS; ADENOVIRUS E1A PROTEINS; and PAPILLOMAVIRUS E7 PROTEINS.
Protein Tyrosine Phosphatases
A large family of signal-transducing adaptor proteins present in wide variety of eukaryotes. They are PHOSPHOSERINE and PHOSPHOTHREONINE binding proteins involved in important cellular processes including SIGNAL TRANSDUCTION; CELL CYCLE control; APOPTOSIS; and cellular stress responses. 14-3-3 proteins function by interacting with other signal-transducing proteins and effecting changes in their enzymatic activity and subcellular localization. The name 14-3-3 derives from numerical designations used in the original fractionation patterns of the proteins.
Receptor Protein-Tyrosine Kinases
TNF Receptor-Associated Factor 6
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
Nuclear Localization Signals
Protein Tyrosine Phosphatase, Non-Receptor Type 11
Reverse Transcriptase Polymerase Chain Reaction
Toll-Like Receptor 2
Cell Cycle Proteins
Proteins that control the CELL DIVISION CYCLE. This family of proteins includes a wide variety of classes, including CYCLIN-DEPENDENT KINASES, mitogen-activated kinases, CYCLINS, and PHOSPHOPROTEIN PHOSPHATASES as well as their putative substrates such as chromatin-associated proteins, CYTOSKELETAL PROTEINS, and TRANSCRIPTION FACTORS.
Endocytosis: EH domains lend a hand. (1/12958)A number of proteins that have been implicated in endocytosis feature a conserved protein-interaction module known as an EH domain. The three-dimensional structure of an EH domain has recently been solved, and is likely to presage significant advances in understanding molecular mechanisms of endocytosis. (+info)
The hematopoietic-specific adaptor protein gads functions in T-cell signaling via interactions with the SLP-76 and LAT adaptors. (2/12958)BACKGROUND: The adaptor protein Gads is a Grb2-related protein originally identified on the basis of its interaction with the tyrosine-phosphorylated form of the docking protein Shc. Gads protein expression is restricted to hematopoietic tissues and cell lines. Gads contains a Src homology 2 (SH2) domain, which has previously been shown to have a similar binding specificity to that of Grb2. Gads also possesses two SH3 domains, but these have a distinct binding specificity to those of Grb2, as Gads does not bind to known Grb2 SH3 domain targets. Here, we investigated whether Gads is involved in T-cell signaling. RESULTS: We found that Gads is highly expressed in T cells and that the SLP-76 adaptor protein is a major Gads-associated protein in vivo. The constitutive interaction between Gads and SLP-76 was mediated by the carboxy-terminal SH3 domain of Gads and a 20 amino-acid proline-rich region in SLP-76. Gads also coimmunoprecipitated the tyrosine-phosphorylated form of the linker for activated T cells (LAT) adaptor protein following cross-linking of the T-cell receptor; this interaction was mediated by the Gads SH2 domain. Overexpression of Gads and SLP-76 resulted in a synergistic augmentation of T-cell signaling, as measured by activation of nuclear factor of activated T cells (NFAT), and this cooperation required a functional Gads SH2 domain. CONCLUSIONS: These results demonstrate that Gads plays an important role in T-cell signaling via its association with SLP-76 and LAT. Gads may promote cross-talk between the LAT and SLP-76 signaling complexes, thereby coupling membrane-proximal events to downstream signaling pathways. (+info)
Vac1p coordinates Rab and phosphatidylinositol 3-kinase signaling in Vps45p-dependent vesicle docking/fusion at the endosome. (3/12958)The vacuolar protein sorting (VPS) pathway of Saccharomyces cerevisiae mediates transport of vacuolar protein precursors from the late Golgi to the lysosome-like vacuole. Sorting of some vacuolar proteins occurs via a prevacuolar endosomal compartment and mutations in a subset of VPS genes (the class D VPS genes) interfere with the Golgi-to-endosome transport step. Several of the encoded proteins, including Pep12p/Vps6p (an endosomal target (t) SNARE) and Vps45p (a Sec1p homologue), bind each other directly . Another of these proteins, Vac1p/Pep7p/Vps19p, associates with Pep12p and binds phosphatidylinositol 3-phosphate (PI(3)P), the product of the Vps34 phosphatidylinositol 3-kinase (PI 3-kinase)  . Here, we demonstrate that Vac1p genetically and physically interacts with the activated, GTP-bound form of Vps21p, a Rab GTPase that functions in Golgi-to-endosome transport, and with Vps45p. These results implicate Vac1p as an effector of Vps21p and as a novel Sec1p-family-binding protein. We suggest that Vac1p functions as a multivalent adaptor protein that ensures the high fidelity of vesicle docking and fusion by integrating both phosphoinositide (Vps34p) and GTPase (Vps21p) signals, which are essential for Pep12p- and Vps45p-dependent targeting of Golgi-derived vesicles to the prevacuolar endosome. (+info)
Concomitant activation of pathways downstream of Grb2 and PI 3-kinase is required for MET-mediated metastasis. (4/12958)The Met tyrosine kinase - the HGF receptor - induces cell transformation and metastasis when constitutively activated. Met signaling is mediated by phosphorylation of two carboxy-terminal tyrosines which act as docking sites for a number of SH2-containing molecules. These include Grb2 and p85 which couple the receptor, respectively, with Ras and PI 3-kinase. We previously showed that a Met mutant designed to obtain preferential coupling with Grb2 (Met2xGrb2) is permissive for motility, increases transformation, but - surprisingly - is impaired in causing invasion and metastasis. In this work we used Met mutants optimized for binding either p85 alone (Met2xPI3K) or p85 and Grb2 (MetPI3K/Grb2) to evaluate the relative importance of Ras and PI 3-kinase as downstream effectors of Met. Met2xPI3K was competent in eliciting motility, but not transformation, invasion, or metastasis. Conversely, MetP13K/Grb2 induced motility, transformation, invasion and metastasis as efficiently as wild type Met. Furthermore, the expression of constitutively active PI 3-kinase in cells transformed by the Met2xGrb2 mutant, fully rescued their ability to invade and metastasize. These data point to a central role for PI 3-kinase in Met-mediated invasiveness, and indicate that simultaneous activation of Ras and PI 3-kinase is required to unleash the Met metastatic potential. (+info)
Tyrosine phosphorylation and complex formation of Cbl-b upon T cell receptor stimulation. (5/12958)Cbl-b, a mammalian homolog of Cbl, consists of an N-terminal region (Cbl-b-N) highly homologous to oncogenic v-Cbl, a Ring finger, and a C-terminal region containing multiple proline-rich stretches and potential tyrosine phosphorylation sites. In the present study, we demonstrate that upon engagement of the T cell receptor (TCR), endogenous Cbl-b becomes rapidly tyrosine-phosphorylated. In heterogeneous COS-1 cells, Cbl-b was phosphorylated on tyrosine residues by both Syk- (Syk/Zap-70) and Src- (Fyn/Lck) family kinases, with Syk kinase inducing the most prominent effect. Syk associates and phosphorylates Cbl-b in Jurkat T cells. A Tyr-316 Cbl-binding site in Syk was required for the association with and for the maximal tyrosine phosphorylation of Cbl-b. Mutation at a loss-of-function site (Gly-298) in Cbl-b-N disrupts its interaction with Syk. Cbl-b constitutively binds Grb2 and becomes associated with Crk-L upon TCR stimulation. The Grb2- and the Crk-L-binding regions were mapped to the C-terminus of Cbl-b. The Crk-L-binding sites were further determined to be Y655DVP and Y709KIP, with the latter being the primary binding site. Taken together, these results implicate that Cbl-b is involved in TCR-mediated intracellular signaling pathways. (+info)
Polarized distribution of Bcr-Abl in migrating myeloid cells and co-localization of Bcr-Abl and its target proteins. (6/12958)Bcr-Abl plays a critical role in the pathogenesis of Philadelphia chromosome-positive leukemia. Although a large number of substrates and interacting proteins of Bcr-Abl have been identified, it remains unclear whether Bcr-Abl assembles multi-protein complexes and if it does where these complexes are within cells. We have investigated the localization of Bcr-Abl in 32D myeloid cells attached to the extracellular matrix. We have found that Bcr-Abl displays a polarized distribution, colocalizing with a subset of filamentous actin at trailing portions of migrating 32D cells, and localizes on the cortical F-actin and on vesicle-like structures in resting 32D cells. Deletion of the actin binding domain of Bcr-Abl (Bcr-AbI-AD) dramatically enhances the localization of Bcr-Abl on the vesicle-like structures. These distinct localization patterns of Bcr-Abl and Bcr-Abl-AD enabled us to examine the localization of Bcr-Abl substrate and interacting proteins in relation to Bcr-Abl. We found that a subset of biochemically defined target proteins of Bcr-Abl redistributed and co-localized with Bcr-Abl on F-actin and on vesicle-like structures. The co-localization of signaling proteins with Bcr-Abl at its sites of localization supports the idea that Bcr-Abl forms a multi-protein signaling complex, while the polarized distribution and vesicle-like localization of Bcr-Abl may play a role in leukemogenesis. (+info)
Growth inhibition of breast cancer cells by Grb2 downregulation is correlated with inactivation of mitogen-activated protein kinase in EGFR, but not in ErbB2, cells. (7/12958)Increased breast cancer growth has been associated with increased expression of epidermal growth factor receptor (EGFR) and ErbB2 receptor tyrosine kinases (RTKs). Upon activation, RTKs may transmit their oncogenic signals by binding to the growth factor receptor bound protein-2 (Grb2), which in turn binds to SOS and activates the Ras/Raf/MEK/mitogen-activated protein (MAP) kinase pathway. Grb2 is important for the transformation of fibroblasts by EGFR and ErbB2; however, whether Grb2 is also important for the proliferation of breast cancer cells expressing these RTKs is unclear. We have used liposomes to deliver nuclease-resistant antisense oligodeoxynucleotides (oligos) specific for the GRB2 mRNA to breast cancer cells. Grb2 protein downregulation could inhibit breast cancer cell growth; the degree of growth inhibition was dependent upon the activation and/or endogenous levels of the RTKs. Grb2 inhibition led to MAP kinase inactivation in EGFR, but not in ErbB2, breast cancer cells, suggesting that different pathways might be used by EGFR and ErbB2 to regulate breast cancer growth. (+info)
Socs1 binds to multiple signalling proteins and suppresses steel factor-dependent proliferation. (8/12958)We have identified Socs1 as a downstream component of the Kit receptor tyrosine kinase signalling pathway. We show that the expression of Socs1 mRNA is rapidly increased in primary bone marrow-derived mast cells following exposure to Steel factor, and Socs1 inducibly binds to the Kit receptor tyrosine kinase via its Src homology 2 (SH2) domain. Previous studies have shown that Socs1 suppresses cytokine-mediated differentiation in M1 cells inhibiting Janus family kinases. In contrast, constitutive expression of Socs1 suppresses the mitogenic potential of Kit while maintaining Steel factor-dependent cell survival signals. Unlike Janus kinases, Socs1 does not inhibit the catalytic activity of the Kit tyrosine kinase. In order to define the mechanism by which Socs1-mediated suppression of Kit-dependent mitogenesis occurs, we demonstrate that Socs1 binds to the signalling proteins Grb-2 and the Rho-family guanine nucleotide exchange factors Vav. We show that Grb2 binds Socs1 via its SH3 domains to putative diproline determinants located in the N-terminus of Socs1, and Socs1 binds to the N-terminal regulatory region of Vav. These data suggest that Socs1 is an inducible switch which modulates proliferative signals in favour of cell survival signals and functions as an adaptor protein in receptor tyrosine kinase signalling pathways. (+info)
Requirement for the Leukocyte-Specific Adapter Protein SLP-76 for Normal T Cell Development | Science
Activation of cytoplasmic tyrosine kinase activity is required for T cell receptor (TCR)-dependent lymphocyte activation (1). Adapter proteins serve as substrates for these kinases and as such may function to couple the TCR with downstream signaling events (2-6). SLP-76 is a hematopoietic cell-specific adapter protein that is phosphorylated rapidly on NH2-terminal tyrosine residues after TCR ligation (3), providing a binding site for the Src homology 2 (SH2) domain of Vav (7). SLP-76 also contains a central proline-rich region that associates constitutively with the SH3 domains of Grb2 (8). In addition, SLP-76 has a COOH-terminal SH2 domain that inducibly associates with SLAP-130 (SLP-76-associated phosphoprotein of 130 kD) and an unidentified 62-kD tyrosine phosphoprotein (5, 8, 9). The ability of SLP-76 to augment TCR-dependent nuclear factor of activated T cells (NFAT) activation when transiently overexpressed in a T cell line is dependent on the presence of each of these domains, suggesting ...
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SLP76 (SH2 domain-containing leukocyte protein of 76 kDa) is a cytosolic adaptor protein which translocates to the plasma mambrane and is involved in multiple signaling pathways in T cells, mast cells, neutrophils and platelets; B cells express its analog SLP65/BLNK (B cell linker protein). SLP76 is phosphorylated by Syk-family and Tec-family tyrosine kinases and couples them to the phosphorylation and activation of PLC-gamma. Via Gads or Grb2, SLP76 also associates with LAT adaptor by involvement of SLP76 proline-rich region. The SH2 domain of SLP76 has been identified as the region involved in binding the serine/threonine kinase HPK1. HPK1 may act as both a positive and a negative regulator by promoting the Jnk-mitogen activated protein kinase (MAPK) pathway and inhibiting the pathway leading to AP-1 activation ...
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The Murine Nck SH2/SH3 Adaptors Are Important for the Development of Mesoderm-Derived Embryonic Structures and for Regulating...
Mammalian Nck1 and Nck2 are closely related adaptor proteins that possess three SH3 domains, followed by an SH2 domain, and are implicated in coupling phosphotyrosine signals to polypeptides that regulate the actin cytoskeleton. However, the in vivo functions of Nck1 and Nck2 have not been defined. We have mutated the murine Nck1 and Nck2 genes and incorporated β-galactosidase reporters into the mutant loci. In mouse embryos, the two Nck genes have broad and overlapping expression patterns. They are functionally redundant in the sense that mice deficient for either Nck1 or Nck2 are viable, whereas inactivation of both Nck1 and Nck2 results in profound defects in mesoderm-derived notochord and embryonic lethality at embryonic day 9.5. Fibroblast cell lines derived from Nck1−/− Nck2−/− embryos have defects in cell motility and in the organization of the lamellipodial actin network. These data suggest that the Nck SH2/SH3 adaptors have important functions in the development of mesodermal ...
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The adaptor protein Src homology 2 domain-containing leukocyte phosphoprotein of 76 kDa (SLP-76) plays a crucial role in T cell activation by linking antigen receptor (T cell receptor, TCR) signals to downstream pathways ...
Signal-transducing adaptor protein 2
This gene encodes the substrate of breast tumor kinase, an Src-type non-receptor tyrosine kinase. The encoded protein possesses domains and several tyrosine phosphorylation sites characteristic of adaptor proteins that mediate the interactions linking proteins involved in signal transduction pathways. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2008 ...
KARAP/DAP12/TYROBP: three names and a multiplicity of biologic...
KARAP/DAP12/TYROBP: three names and a multiplicity of biological functions.: The signaling adaptor protein KARAP/DAP12/TYROBP (killer cell activating receptor-a
Stap-2 negatively regulates both canonical and noncanonical nf-b activation induced by epstein-barr virus-derived latent...
Article Stap-2 negatively regulates both canonical and noncanonical nf-b activation induced by epstein-barr virus-derived latent membrane protein 1. The signal-transducing adaptor protein 2 (STAP-2) is a recently identified adaptor protein that conta...
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BIO-SYNTHESIS - Custom Antibody Custom Peptide Synthesis Custom SiRNA Synthesis: ADAP Antibody
The adhesion and degranulation adaptor protein (ADAP) was initially identified as a molecular adapter that couples T cell receptor (TCR) stimulation to the avidity of integrins governing T cell adhesion. TCR stimulation promotes the formation of a multi-protein complex containing CARMA1, MALT1, and BCL-10, which through the association of ADAP, ultimately activates the NF-kappaB family of transcription factors. More recent experiments have shown that ADAP controls optimal T cell proliferation, cytokine production, and expression of the Bcl-2 family member Bcl-x(L), suggesting that ADAP regulates T cell activation by promoting antigen-dependent T cell-antigen presenting cell (APC) activation. At least three isoforms of ADAP are known to exist ...
SMART: Pfam domain Daxx
The Daxx protein (also known as death domain-associated protein 6) is thought to play a role in apoptosis. Daxx forms a complex with Axin [ (PUBMED:11225842) ]. Daxx is a scaffold protein shown to play diverse roles in transcription and cell cycle regulation. This N-terminal domain folds into a left-handed four-helix bundle (H1, H2, H4, H5) that binds to the N-terminal residues of the tumour-suppressor Rassf1C [ (PUBMED:21134643) ]. ...
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Identification and characterization of the hematopoietic cell-...
Identification and characterization of the hematopoietic cell-specific enhancer-like element of the mouse hex gene.: Hex is one of the homeobox genes suggested
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KEGG ORTHOLOGY: K04404
TAB2, a novel adaptor protein, mediates activation of TAK1 MAPKKK by linking TAK1 to TRAF6 in the IL-1 signal transduction pathway ...
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LAT2 gene | Semantic Scholar
Linker for activation of B cells (LAB, also called NTAL; a product of wbscr5 gene) is a newly identified transmembrane adaptor… Expand ...
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Signal transducing adaptor protein - Wikipedia
Signal transducing adaptor proteins (STAPs) are proteins that are accessory to main proteins in a signal transduction pathway. ... phosphoinositide-3-kinase adaptor protein 1 SH2B1 - SH2B adaptor protein 1 SH2B2 - SH2B adaptor protein 2 SH2B3 - SH2B adaptor ... adaptor protein Wikipedia:MeSH D12.776#MeSH D12.776.157.057 --- adaptor proteins.2C signal transducing Wikipedia:MeSH D12.776# ... adaptor proteins.2C vesicular transport "Role of Signal Transducing Adaptor Protein (STAP) Family in Chronic Myelogenous ...
β-Catenin and Yes-Associated Protein 1 Cooperate in Hepatoblastoma Pathogenesis
... shows nuclear localization of β-catenin and yes-associated protein 1 (YAP1) in almost 80% of the cases. Co-expression of ... Adaptor Proteins, Signal Transducing / genetics * Adaptor Proteins, Signal Transducing / metabolism* * Animals * Apoptosis ... β-Catenin and Yes-Associated Protein 1 Cooperate in Hepatoblastoma Pathogenesis Am J Pathol. 2019 May;189(5):1091-1104. doi: ... Co-expression of S33Y/S45Y-β-catenin and S127A-YAP1 led to activation of Yap and Wnt signaling and development of HB, with 100 ...
DAP-1, a novel protein that interacts with the guanylate kinase-like domains of hDLG and PSD-95
Our findings suggest that DAP-1 may play several roles in the molecular organization of synapses and neuronal cell signalling ... Adaptor Proteins, Signal Transducing * Adenomatous Polyposis Coli Protein * Apoptosis Regulatory Proteins * Cytoskeletal ... Background: The human homologue of the Drosophila discs large tumour suppressor protein (hDLG) and closely related proteins ... DAP-1, a novel protein that interacts with the guanylate kinase-like domains of hDLG and PSD-95 Genes Cells. 1997 Jun;2(6):415- ...
Aiden Eliot Shearer, M.D. | Harvard Catalyst Profiles | Harvard Catalyst
Leptin in the interplay of inflammation, metabolism and immune system disorders | Nature Reviews Rheumatology
Following pathogen recognition, Toll-like receptors recruit and activate a variety of signal-transducing adaptor proteins. ... Leptin signaling protects NK cells from apoptosis during development in mouse bone marrow. Cell. Mol. Immunol. 6, 353-360 (2009 ... Deficient leptin signaling ameliorates systemic lupus erythematosus lesions in MRL/Mp-Fas lpr mice. J. Immunol. 192, 979-984 ( ... Figure 1: Schematic representation of leptin receptors and its signal transduction pathway.. ...
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Science Clips - Volume 13, Issue 17, May 4, 2021
... protein 131 L) with reactivity by astrocytes and microglia, and a pro-degradative (signal transducing adapter molecule, ... phosphoglycerate kinase), anti-plastic (AF4/FMR2 family member 1, vacuolar protein sorting-associated protein 18) state with ... An R.1 lineage variant was detected with whole genome sequencing (WGS). Although the R.1 variant has multiple spike protein ... Vaccines targeting capsule polysaccharides and common proteins are under development. METHODS: Using whole genome sequencing, a ...
Biblio | Page 37 | Linus Pauling Institute | Oregon State University
SCOPe 2.07: Family b.55.1.1: Pleckstrin-homology domain (PH domain)
Signal-transducing adaptor protein 1, STAP-1  (1 species). *. Species Human (Homo sapiens) [TaxId:9606]  (1 PDB ... Src-associated adaptor protein Skap2  (1 species). *. Species Mouse (Mus musculus) [TaxId:10090]  (4 PDB ... Proteins:. *. 3-phosphoinositide dependent protein kinase-1  (1 species). *. Species Human (Homo sapiens) [TaxId:9606] ... SH2 and PH domain-containing adapter protein APS  (1 species). *. Species Mouse (Mus musculus) [TaxId:10090]  ( ...
TNF Receptor-Associated Factor 4 | Harvard Catalyst Profiles | Harvard Catalyst
Adaptor Proteins, Signal Transducing [D12.644.360.024]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... Adaptor Proteins, Signal Transducing [D12.776.157.057]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... Adaptor Proteins, Signal Transducing [D12.776.476.024]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... with TUMOR NECROSIS FACTOR RECEPTORS it may be a signaling partner with the GLUCOCORTICOID-INDUCED TNFR-RELATED PROTEIN that ...
NIOSHTIC-2 Search Results - Full View
... transmembrane protein 131L) with reactivity by astrocytes and microglia, and a pro-degradative (signal transducing adapter ... vacuolar protein sorting-associated protein 18) state with the excitation-inhibition balance shifted to a hyperexcited ( ... microtubule-associated protein 1B) phenotype. Overall, the significant pathologic changes observed were consistent with early ... Proteins; Author Keywords: Nanoparticles; Carbon Nanotubes; Neurotoxicity; Blood Brain Barrier; Neuroinflammation; Peptidomics ...
ZFIN Publication: Khan et al., 2019
Stam2 MGI Mouse Gene Detail - MGI:1929100 - signal transducing adaptor molecule (SH3 domain and ITAM motif) 2
protein coding gene. Chr2:52581676-52632293 (-). 129S1/SvImJ MGP_129S1SvImJ_G0025736. protein coding gene. Chr2:52052452- ... protein coding gene. Chr2:48005407-48051745 (-). CAST/EiJ MGP_CASTEiJ_G0024933. protein coding gene. Chr2:51589759-51637144 (-) ... protein coding gene. Chr2:51476204-51528953 (-). C57BL/6NJ MGP_C57BL6NJ_G0026153. protein coding gene. Chr2:53581471-53631544 ... protein coding gene. Chr2:51936016-51986440 (-). NOD/ShiLtJ MGP_NODShiLtJ_G0025572. protein coding gene. Chr2:56617677-56670629 ...
IMSEAR at SEARO: R659X mutation in the MLH1 gene in hereditary non-polyposis colorectal cancer (HNPCC) in an Indian extended...
Proteins [D12.776] * Intracellular Signaling Peptides and Proteins [D12.776.476] * Adaptor Proteins, Signal Transducing [ ... Proteins [D12.776] * Carrier Proteins [D12.776.157] * Adaptor Proteins, Signal Transducing [D12.776.157.057] * 5-Lipoxygenase- ... Intracellular Signaling Peptides and Proteins [D12.644.360] * Adaptor Proteins, Signal Transducing [D12.644.360.024] * 14-3-3 ... Shc Signaling Adaptor Proteins [D12.644.360.024.330] * Signaling Lymphocytic Activation Molecule Associated Protein [D12.644. ...
Publications | Department of Molecular Biology
Filters: Keyword is Adaptor Proteins, Signal Transducing [Clear All Filters]. 2016. Smith JA, Rose MD. Kel1p Mediates Yeast ... Positive feedback between the T cell kinase Zap70 and its substrate LAT acts as a clustering-dependent signaling switch. Cell ... TGF-β-induced DACT1 biomolecular condensates repress Wnt signalling to promote bone metastasis. Nat Cell Biol. 2021 ;23(3):257- ... RNA Chemical Proteomics Reveals the N-Methyladenosine (mA)-Regulated Protein-RNA Interactome. J Am Chem Soc. 2017 ;139(48): ...
MultipleRoles Dadwal • Freund Group - Protein Biochemistry • Department of Biology, Chemistry, Pharmacy
After triggering of signal transducing receptors, adapter proteins organize the proper processing of membrane proximal and ... Adapter proteins are molecules that lack enzymatic or transcriptional activity and are composed of protein-protein and protein- ... The Multiple Roles of the Cytosolic Adapter Proteins ADAP, SKAP1 and SKAP2 for TCR/CD3 -Mediated Signaling Events. Dadwal, ... Here, we review recent findings regarding three cytosolic adapter proteins, ADAP (Adhesion and Degranulation-promoting Adapter ...
BIOCELL | An Open Access Journal from Tech Science Press
The critical role of the Ras/mitogen-activated protein kinase (MAPK) pathway in transducing growth signals to the interior of ... A particular focus on the signaling and membrane trafficking adaptor… More > View. 3141. Download. 1377. ... The role of protein phosphorylation in the regulation of class switch recombination BIOCELL, Vol.44, No.4, pp. 545-558, 2020, ... Mutations that alter proteins involved in these types of pathways can lead to inappropriate or unregulated cell growth, and ...
Structural determinants of Rab11 activation by the guanine nucleotide exchange factor SH3BP5
G protein - Wikipedia
Signal transducing adaptor protein. *I-kappa B protein. *Mucin-4. *Olfactory marker protein ... G proteins are important signal transducing molecules in cells. "Malfunction of GPCR [G Protein-Coupled Receptor] signaling ... γ proteins. Signaling. G protein can refer to two distinct families of proteins. Heterotrimeric G proteins, sometimes ... A group of proteins called Regulator of G protein signalling (RGSs), act as GTPase-activating proteins (GAPs), are specific for ...
The transcription factor FBI-1 inhibits SAM68-mediated BCL-X alternative splicing and apoptosis<...
... bcl-X Protein, Adaptor Proteins, Signal Transducing, Alternative Splicing, Apoptosis, BCL-X, Biochemistry, Cell Line, Tumor, ... keywords = "Adaptor Proteins, Signal Transducing, Alternative Splicing, Apoptosis, BCL-X, Biochemistry, Cell Line, Tumor, DNA- ... Protein Binding, Protein Interaction Domains and Motifs, RNA, Messenger, RNA-Binding Proteins, SAM68, Transcription Factors, ... Protein Binding, Protein Interaction Domains and Motifs, RNA, Messenger, RNA-Binding Proteins, SAM68, Transcription Factors, ...
STAP2 protein expression summary - The Human Protein Atlas
Signal transducing adaptor family member 2. Gene namei. Official gene symbol, which is typically a short form of the gene name ... Protein evidence. Evidence at protein level (all genes). Protein classi. Assigned HPA protein class(es) for the encoded protein ... The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein ... The encoded protein possesses domains and several tyrosine phosphorylation sites characteristic of adaptor proteins that ...
YUHSpace: Matrix stiffness epigenetically regulates the oncogenic activation of the Yes-associated protein in gastric cancer
Matrix stiffness epigenetically regulates the oncogenic activation of the Yes-associated protein in gastric cancer, doi: ... Adaptor Proteins, Signal Transducing* / genetics. -. dc.subject.MESH. Adaptor Proteins, Signal Transducing* / metabolism. - ... YUHSpace: Matrix stiffness epigenetically regulates the oncogenic activation of the Yes-associated protein in gastric cancer. ... Matrix stiffness epigenetically regulates the oncogenic activation of the Yes-associated protein in gastric cancer. - ...
TNF Receptor-Associated Factor 1 | Profiles RNS
Adaptor Proteins, Signal Transducing [D12.644.360.024]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... Adaptor Proteins, Signal Transducing [D12.776.157.057]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... Adaptor Proteins, Signal Transducing [D12.776.476.024]. *Tumor Necrosis Factor Receptor-Associated Peptides and Proteins [ ... A signal transducing tumor necrosis factor receptor associated factor that is involved in TNF RECEPTOR feedback regulation. It ...
DeCS Ingl s
D12.776 Proteins .. D12.776.157 Carrier Proteins .. D12.776.157.057 Adaptor Proteins, Signal Transducing .. D12.776.157.057.500 ... D12.644.360 Intracellular Signaling Peptides and Proteins .. D12.644.360.024 Adaptor Proteins, Signal Transducing .. D12.644. ... D12.776.476 Intracellular Signaling Peptides and Proteins .. D12.776.476.024 Adaptor Proteins, Signal Transducing .. D12.776. ... Protein Sorting .. Protein Targeting .. Protein Trafficking .. Protein Sortings .. Protein Traffickings .. Protein Transport, ...
Insulin Receptor Substrate Proteins | Profiles RNS
Carrier Proteins [D12.776.157]. *Adaptor Proteins, Signal Transducing [D12.776.157.057]. *Insulin Receptor Substrate Proteins [ ... A structurally-related group of signaling proteins that are phosphorylated by the INSULIN RECEPTOR PROTEIN-TYROSINE KINASE. The ... Survival signaling in type II pneumocytes activated by surfactant protein-A. Exp Cell Res. 2002 Nov 1; 280(2):270-9. ... substrate proteins interact with specific SH2 DOMAIN containing proteins that are involved in insulin receptor signaling. ...
Transcription factor - Wikipedia
Ca2+ signaling. *Lipid signaling. Assistants:. *Signal transducing adaptor protein. *Scaffold protein ... II.B signal-dependent - requires external signal for activation *II.B.1 extracellular ligand (endocrine or paracrine)-dependent ... Many proteins that are active in the nucleus contain nuclear localization signals that direct them to the nucleus. But, for ... An optional signal-sensing domain (SSD) (e.g., a ligand-binding domain), which senses external signals and, in response, ...