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  • Regulator
  • Silent Information Regulator (SIR) proteins are involved in regulating gene expression and some SIR family members are conserved from yeast to humans. (wikipedia.org)
  • SIR proteins have been identified in many screens, and have historically been known as SIR (silent information regulator), MAR (mating-type regulator), STE (sterile), CMT (change of mating type) or SSP (sterile suppressor) according to which screen led to their identification. (wikipedia.org)
  • In molecular biology, the cyanobacterial clock proteins are the main circadian regulator in cyanobacteria. (wikipedia.org)
  • Transporters
  • The PM-localized PIN proteins physically interact with a few members of the large PGP family of transporters that also work as auxin efflux carriers (PGP1 and PGP19 in Arabidopsis). (wikipedia.org)
  • Enzymes
  • Other blood proteins act as enzymes, complement components, protease inhibitors or kinin precursors. (wikipedia.org)
  • If a protein has an EC number, it should be on List of enzymes and not on this page, even if it fits into one of the categories below. (wikipedia.org)
  • Arp2/3 Coronin Dystrophin FtsZ Keratin Myosin Tubulin Collagen Elastin F-spondin Pikachurin Fibronectin Serum Amyloid P Component Serum albumin Complement proteins C1-inhibitor C3-convertase Factor VIII Factor XIII Protein C Protein S Protein Z Protein Z-related protease inhibitor Thrombin Von Willebrand Factor C-reactive protein Hemoglobin (oxyhemoglobin and deoxyhemoglobin) Cadherin Ependymin Integrin NCAM Selectin Ion pumping enzymes are in the enzymes section. (wikipedia.org)
  • substrate
  • Most AAA proteins have additional domains that are used for oligomerization, substrate binding and/or regulation. (wikipedia.org)
  • These proteins produce a molecular motor that couples ATP binding and hydrolysis to changes in conformational states that can be propagated through the assembly in order to act upon a target substrate, either translocating or remodelling the substrate. (wikipedia.org)
  • These motions can be transmitted to substrate protein. (wikipedia.org)
  • The basic recognition of proteins by AAAs is thought to occur through unfolded domains in the substrate protein. (wikipedia.org)
  • superfamily
  • This is a large, functionally diverse protein family belonging to the AAA+ protein superfamily of ring-shaped P-loop NTPases, which exert their activity through the energy-dependent remodeling or translocation of macromolecules. (wikipedia.org)
  • AAA proteins are divided into seven basic clades, based on secondary structure elements included within or near the core AAA fold: clamp loader, initiator, classic, superfamily III helicase, HCLR, H2-insert, and PS-II insert. (wikipedia.org)
  • family
  • In HslU, a bacterial ClpX/ClpY homologue of the HSP100 family of AAA proteins, the N- and C-terminal subdomains move towards each other when nucleotides are bound and hydrolysed. (wikipedia.org)
  • The activity and localization of the PM-localized PIN proteins is regulated by several phosphorylations on their large cytosolic hydrophilic loop carried out by kinases of the AGC family (e.g. (wikipedia.org)
  • Notch (DSL) proteins are a family of transmembrane proteins with repeated extracellular EGF domains and the notch (or DSL) domains. (wikipedia.org)
  • The family of non-collagenous proteins known as SIBLING proteins, standing for small integrin-binding ligand, N-linked glycoprotein, are components of the extracellular matrix of bone and dentin. (wikipedia.org)
  • 1.A.8 - The Major Intrinsic Protein (MIP) Family 1.A.16 - The Formate-Nitrite Transporter (FNT) Family The MIP family is large and diverse, possessing thousands of members that form transmembrane channels. (wikipedia.org)
  • The Major Intrinsic Protein (MIP) of the human lens of the eye (Aqp0), after which the MIP family was named, represents about 60% of the protein in the lens cell. (wikipedia.org)
  • MIP family proteins are believed to form aqueous pores that selectively allow passive transport of their solute(s) across the membrane with minimal apparent recognition. (wikipedia.org)
  • Some members of the family, including the yeast Fps1 protein (TC# 1.A.8.5.1) and tobacco NtTIPa (TC# 1.A.8.10.2) may transport both water and small solutes. (wikipedia.org)
  • Some of the MIP family channels include: Mammalian major intrinsic protein (MIP). (wikipedia.org)
  • structures
  • Kinetochores are the protein structures located at the intersection of the two sister chromatids that serves as an attachment site for microtubules and spindle fibers during cell division to help pull the two chromatids apart. (unc.edu)
  • These protein structures are usually related to one single physiological protein activity. (wikipedia.org)
  • In addition, Proteins includes a section entitled "Section Notes", describing novel protein structures. (wikipedia.org)
  • degradation
  • They are involved in processes such as DNA replication, protein degradation, membrane fusion, microtubule severing, peroxisome biogenesis, signal transduction and the regulation of gene expression. (wikipedia.org)
  • Prokaryotes have AAA which combine chaperone with proteolytic activity, for example in ClpAPS complex, which mediates protein degradation and recognition in E. coli. (wikipedia.org)
  • serum
  • Blood proteins, also termed plasma proteins or serum proteins, are proteins present in blood plasma. (wikipedia.org)
  • Contrary to popular belief, haemoglobin is not a blood protein, as it is carried within red blood cells, rather than in the blood serum. (wikipedia.org)
  • Serum albumin accounts for 55% of blood proteins, and is a major contributor to maintaining the osmotic pressure of plasma to assist in the transport of lipids and steroid hormones. (wikipedia.org)
  • Current research regarding blood plasma proteins is centered on performing proteomics analyses of serum/plasma in the search for biomarkers. (wikipedia.org)
  • The normal laboratory value of serum total protein is around 7 g/dL. (wikipedia.org)
  • Function
  • There are hundreds of types of proteins in the cell, each with its own function and physical structure. (unc.edu)
  • It provides a good overview of protein structure and function, as well as some of the historical discoveries that led to our current understanding of proteins. (merlot.org)
  • Bretscher A, Chambers D, Nguyen R et al (2000) ERM-Merlin and EBP50 protein families in plasma membrane organization and function. (springer.com)
  • Transformer proteins (TFPs) are proteins that can transform from one conformation to a different one and simultaneously change their function. (wikipedia.org)
  • Proteins: Structure, Function, and Bioinformatics is a monthly peer-reviewed scientific journal published by John Wiley & Sons, which was established in 1986 by Cyrus Levinthal. (wikipedia.org)
  • Globulins make up 38% of blood proteins and transport ions, hormones, and lipids assisting in immune function. (wikipedia.org)
  • Ultimately, the name SIR had the most staying power, because it most accurately describes the function of the encoded proteins. (wikipedia.org)
  • Trithorax-group (trxG) proteins maintain the active state of gene expression while the Polycomb-group (PcG) proteins counteract this activation with a repressive function that is stable over many cell generations and can only be overcome by germline differentiation processes. (wikipedia.org)
  • structure
  • Ezrin, the prototype ERM protein, is a 585-amino acid polypeptide, first identified as a constituent of microvilli and shown to be present in actin-containing surface structure on a wide variety of cells. (springer.com)
  • We study the chemical and physical structure of amino acids and proteins, describe the topology of proteins and discuss an important enzyme, penicillin amidase, in greater detail. (springer.com)
  • This forkhead motif is also known as the winged helix due to the butterfly-like appearance of the loops in the protein structure of the domain. (wikipedia.org)
  • Proteins@Home was a large-scale non-profit protein structure prediction project utilizing distributed computing to perform a lot of computations in a small amount of time. (wikipedia.org)
  • known
  • We are working to solve this problem for a large number of known protein folds (a representative subset: about 1500 folds). (wikipedia.org)
  • Also known as the Angiopoietin-related proteins. (wikipedia.org)
  • Angiopoietin-related protein 7, gene ANGPTL7 Angiopoietin-related protein 8, gene ANGPTL8, also known as lipasin because of its capacity in LPL inhibition. (wikipedia.org)
  • Major urinary proteins (Mups), also known as α2u-globulins, are a subfamily of proteins found in abundance in the urine and other secretions of many animals. (wikipedia.org)
  • International Therapeutic Proteins (known as ITP) supplies antitoxins, antidotes to snake venoms and other biologics (biological therapeutics) to corporate and government clients. (wikipedia.org)
  • Bacteria
  • Phylogenetic clustering of the proteins is primarily based according to phylum of the organisms of origin, but one or more clusters are observed for each phylogenetic kingdom (plants, animals, yeast, bacteria and archaea). (wikipedia.org)
  • Complement
  • Examples of specific blood proteins: Prealbumin (transthyretin) Alpha 1 antitrypsin (neutralizes trypsin that has leaked from the digestive system) Alpha 1 acid glycoprotein Alpha 1 fetoprotein alpha2-macroglobulin Gamma globulins Beta-2 microglobulin Haptoglobin Ceruloplasmin Complement component 3 Complement component 4 C-reactive protein (CRP) Lipoproteins (chylomicrons, VLDL, LDL, HDL) Transferrin Prothrombin MBL or MBP Anderson NL, Anderson NG (1977). (wikipedia.org)
  • insoluble
  • This hypothesis was, however, challenged by observations that proteins could fold in two alternative conformations, such as the prion proteins which exist in a physiologially active cellular form and an insoluble form. (wikipedia.org)
  • longevity
  • New research from the University of Pittsburgh implicates the so-called "longevity protein" Klotho, both as culprit and therapeutic target. (pitt.edu)
  • molecular
  • Proteins are considered the molecular "workers" of the cell because they are present in all areas and processes of the cell. (unc.edu)
  • Dyneins, one of the three major classes of motor protein, are AAA proteins which couple their ATPase activity to molecular motion along microtubules. (wikipedia.org)
  • These proteins are generally produced during viral infection, Interferon (IFN) treatment, and during pathogen recognition (Pathogen associated molecular pattern recognition) by the immune system during infections. (wikipedia.org)
  • Plasma
  • MIPs are classified into five subfamilies in higher plants, including plasma membrane (PIPs), tonoplast (TIPs), NOD26-like (NIPs), small basic (SIPs) and unclassified X (XIPs) intrinsic proteins. (wikipedia.org)
  • One of the plant clusters includes only tonoplast (TIP) proteins, while another includes plasma membrane (PIP) proteins. (wikipedia.org)
  • InterPro: IPR012269) These proteins form water-specific channels that provide the plasma membranes of red cells, as well as kidney proximal and collecting tubules with high permeability to water, thereby permitting water to move in the direction of an osmotic gradient. (wikipedia.org)
  • Mice
  • They have been demonstrated to promote aggression in male mice, and one specific Mup protein found in male mouse urine is sexually attractive to female mice. (wikipedia.org)
  • However, it was not until the 1960s that the major urinary proteins of mice and rats were first described in detail. (wikipedia.org)
  • Disease
  • This resource is powered by the Protein Data Bank archive-information about the 3D shapes of proteins, nucleic acids, and complex assemblies that helps students and researchers understand all aspects of biomedicine and agriculture, from protein synthesis to health and disease. (rcsb.org)
  • Therefore, since 1827 physicians and scientists have been interested in proteinuria, the excess of protein in human urine, as an indicator of kidney disease. (wikipedia.org)
  • primarily
  • It was found that the proteins are primarily made in the liver of males and secreted through the kidneys into the urine in large quantities (milligrams per day). (wikipedia.org)
  • interact
  • In Drosophila, the Trithorax-group (trxG) and Polycomb-group (PcG) proteins act antagonistically and interact with chromosomal elements, termed Cellular Memory Modules (CMMs). (wikipedia.org)
  • functional
  • Innovopro has developed a patented method to process chickpea protein that, chief executive Taly Nechushtan says, means the company can offer a highly functional alternative to the alt proteins currently dominating the market. (foodnavigator.com)