• This suggests the involvement of these subsites in conferring C-domain-selective BPPb binding, in agreement with the mutagenesis results where unique residues governing differences in active site exposure, lid structure and dynamics between the two domains were the major drivers for C-domain-selective BPPb binding. (rcsb.org)
  • Site-directed mutagenesis of conserved T4P-specific residues in the PilC C-terminal domain yielded mutant proteins that supported wild-type pilus assembly but had a reduced capacity to support twitching motility, suggesting impairment of putative PilC-PilT interactions. (mcmaster.ca)
  • Employing site-directed mutagenesis we identify residues in this pocket of selective CCL21 importance. (ku.dk)
  • He has also defined, by site-directed mutagenesis, essential amino acid residues concerned in phosphate transport and transmembrane signalling in the pho regulon in Escherichia coli. (science.org.au)
  • The data suggested that active site residues play important roles in maintaining a fast conformational change and an accurate alignment of the active site during correct nucleotide incorporation. (utexas.edu)
  • This thesis describes work to further characterize the underlying molecular basis regulating the conformational change by a combination of site-directed mutagenesis, transient kinetics and crystallography. (utexas.edu)
  • A combination of site-directed mutagenesis and a cell-free translation/translocation system from Xenopus eggs was used to investigate the processing of the pro-PC2 precursor. (elsevierpure.com)
  • Dr Sayers has maintained his research interest in the molecular basis of asthma and allergy spending time with the Asthma Genetics Group in Southampton, UK (1998-2001) and in pre-clinical drug development in New Zealand at Genesis Research and Development Corporation and the Malaghan Institute (2001-2003). (nottingham.ac.uk)
  • Structural and biochemical characterization of two heme binding sites on α1-microglobulin using site directed mutagenesis and molecular simulation. (lu.se)
  • Various techniques in molecular biology (Biochemical characterization of enzymes, protein purification, SDS-PAGE, Western blotting, construction of appropriate vectors and cloning, site directed mutagenesis etc. (uni-goettingen.de)
  • 02/2010 - 04/2011: Site-directed mutagenesis of alpha-amylase and characterization of biochemical (kinetic and activation) parameters of mutants and wild type. (uni-goettingen.de)
  • While plasma membrane ion channels have been extensively studied, much less is known about the identity and physiology of intracellular channels because they are less accessible to direct electrophysiological characterization. (elifesciences.org)
  • Detection and molecular characterization of a novel BRAF activated domain mutation in follicular variant of papillary thyroid carcinoma. (cnr.it)
  • Molecular characterization of lung adenocarcinoma from Korean patients using next generation sequencing. (cdc.gov)
  • Thank you for sharing this Molecular Pharmacology article. (aspetjournals.org)
  • Message Body (Your Name) thought you would be interested in this article in Molecular Pharmacology. (aspetjournals.org)
  • Molecular Pharmacology, 67, 1470-1484. (scirp.org)
  • Dr. Graeme Cox is distinguished for contributions to a number of aspects of bacterial physiology using the techniques of biochemistry and molecular biology. (science.org.au)
  • Wilson and Walker's Principles and Techniques of Biochemistry and Molecular Biology , 2018, 8 edition, Hofmann A and Clokie, S, Cambridge University Press, ISBN 978-1-316-61476-1. (lu.se)
  • In 2004, Dr Sayers joined the University of Nottingham as a Lecturer and has developed a research group focussed to understanding the cellular and molecular mechanisms underlying asthma and COPD. (nottingham.ac.uk)
  • Molecular, genetic and cellular mechanisms underlying Asthma & Chronic Obstructive Pulmonary Disease. (nottingham.ac.uk)
  • Discovery of this second putative receptor site provides a dual-receptor paradigm that could explain much of the molecular mechanisms of pyrethroid action and resistance as well as the high selectivity of pyrethroids on insect vs. mammalian sodium channels. (duke.edu)
  • There is a drastic mismatch between the 'functional' phenomenology collected at the organismal and cellular levels and the molecular description of mechanosensory mechanisms. (usda.gov)
  • The need to understand the molecular mechanisms in species has made the PCR an indispensable tool for understanding the functioning of these biological systems. (intechopen.com)
  • The molecular mechanisms by which cholesterol regulates the cytolytic activity of the CDCs are not fully understood. (umass.edu)
  • The theoretical part covers the molecular principles and mechanisms underlying the experimental approaches. (lu.se)
  • In this chapter, electrophilic agents nogenicity from studies of exposed (benzene, 1,3-butadiene, and eth- include direct-acting electrophilic humans. (who.int)
  • Fluorescent Protein Technology - It took over thirty years, and the advent of recombinant DNA as well as vastly improved molecular biological approaches to see the pioneering work of Osamu Shimomura developed into a useful tool for live-cell imaging by Doug Prasher and Martin Chalfie. (fsu.edu)
  • The students will have opportunity to practice several of these methods during laboratory work, including site-directed mutagenesis, recombinant protein production and purification, real-time RT-PCR. (lu.se)
  • The regenerated genome-edited events of Gonja Manjaya showed mutations in the targeted sites with the potential to prevent proper transcription or/and translational into functional viral proteins. (nature.com)
  • One of the major aims of Dr. Ebihara's research project are to obtain a more detailed understanding of the biophysical properties of cloned lens gap junctional proteins and to localize the molecular determinants of permeability and gating of the gap junctional channels. (rosalindfranklin.edu)
  • We have developed Massive Mutagenesis®, the only high throughput combinatorial site-directed mutagenesis technology, with a main application to direct molecular evolution of industrial enzymes and therapeutic proteins. (hum-molgen.org)
  • Most of the fluorescent proteins that are commonly used today have been modified through mutagenesis to optimize their expression in biological systems. (fsu.edu)
  • Molten globule proteins preserve most of the native internal hydration sites and have native-like surface hydration. (lu.se)
  • 80 (Pt 2), 291-296 (1999) PUBMED 10073687 REFERENCE 3 (bases 1 to 7654) AUTHORS Liu,B., Clarke,I.N. and Lambden,P.R. TITLE Polyprotein processing in Southampton virus: identification of 3C-like protease cleavage sites by in vitro mutagenesis JOURNAL J. Virol. (cdc.gov)
  • By using large-scale, all-atom steered-molecular dynamics simulations, we show that the largest part of mechanical stress in compression is accommodated by the DNA linkers joining pairs of nucleosomes, which store the elastic energy accumulated by the applied force. (bvsalud.org)
  • Updated Material Safety Data Sheets reflecting the absence of the substances will be available on the product webpages. (thermofisher.com)
  • Poor crystallibility and long-term (>3 months) crystallization process of RLuc appeared to be major drawbacks in the acquisition of structural data that should provide the molecular dissection of RLuc catalytic reaction mechanism. (europa.eu)
  • Following these data, in collaboration with Dr. H. R. Guy (NIH), we built molecular models for the E. coli MscL in the closed, closed-expanded and open conformations and found that the channel can not be gated solely with gate that is placed within the transmembrane domain as was previously proposed (Spencer et al. (usda.gov)
  • The study of biological complexity is a new frontier that requires high-throughput molecular technology, high speed computer memory, new approaches to data analysis, and the integration of interdisciplinary skills. (intechopen.com)
  • In the absence of high-resolution structural information, site-directed mutagenesis data combined with binding studies performed with different sterols, and molecular modeling are beginning to shed light on this interaction. (umass.edu)
  • This project aimed to employ in-lab reconstructed dual-function (dehalogenase/luciferase) ancestral enzyme (ancHLD-RLuc) to decipher molecular evolution steps leading to the functional divergence of modern-day HLD and RLuc enzymes, and to explore how this knowledge could be exploited biotechnologically. (europa.eu)
  • Biomehodes is a technological leader in directed evolution and protein engineering. (hum-molgen.org)
  • Continued efforts using directed evolution approaches will no doubt improve the spectral characteristics, photostability, maturation time, brightness, acid resistance, and utility of the fluorescent protein tags for cellular imaging. (fsu.edu)
  • Here, we used site-directed mutagenesis, an ACE chimera and X-ray crystallography to unveil the molecular basis for C-domain-selective ACE inhibition by the bradykinin-potentiating peptide b (BPPb), naturally present in Brazilian pit viper venom. (rcsb.org)
  • The high efficiency of the mutagenesis means mutants can be screened directly by sequencing. (wikipedia.org)
  • Site-directed mutagenesis was used to introduce most of the possible intermediate mutations in the envelope for four distinct coreceptor switch mutants, each with a unique pattern of CCR5 and CXCR4 utilization that extended from highly efficient use of both coreceptors to sole use of CXCR4. (unige.ch)
  • To explore this model, we generated a pentapeptide insertion mutant library of the dnaQ gene, along with site-directed mutants, and screened for separation of function mutants. (duke.edu)
  • Since restriction enzymes are used, for this method to be useful, the restriction sites flanking the target DNA has to be unique in the gene/vector system so that the gene cassette can be inserted with specificity. (wikipedia.org)
  • Computer modeling and further mutational analysis revealed a surprising finding: Although two of the five confirmed mutations map to a previously proposed pyrethroid-receptor site in the house fly sodium channel, the other three mutations are mapped to a second receptor site. (duke.edu)
  • The methodology will include site-directed mutagenesis, covalent protein modifications, patch- clamp measurements, thermodynamic and kinetic analysis of dose-response curves and rates of transitions, videomicroscopy, and molecular modeling. (usda.gov)
  • To define the histamine-binding site of this receptor, molecular modeling and site-directed mutagenesis were used to predict and alter amino acids residing in the histamine-binding pocket. (aspetjournals.org)
  • Cassette mutagenesis is a type of site-directed mutagenesis that uses a short, double-stranded oligonucleotide sequence (gene cassette) to replace a fragment of target DNA. (wikipedia.org)
  • The length of the sequence flanked by the restriction sites is also a limiting factor due to the use of synthetic gene cassettes. (wikipedia.org)
  • Site-directed mutagenesis refers to a molecular biology technique that experts use to change the gene DNA sequence and gene products. (alternativemedicine.com)
  • One family pedigree was described with X-linked ichthyosis associated with normal levels of STS and a normal molecular pattern, as detectable with a complementary DNA (cDNA) probe for the STS gene. (medscape.com)
  • Deletion of the entire STS gene is the most common molecular defect found in patients with X-linked ichthyosis. (medscape.com)
  • With the many techniques available, experts at Eurofins Genomics are there to help you define the perfect experimental setup for your molecular biology research. (alternativemedicine.com)
  • Many phage have proved useful in the study of molecular biology and as vectors for the transfer of genetic information between cells lambda bacteriophage can also undergo a lytic cycle or can enter a lysogenic cycle, in which the page DNA is incorporated into that of the host, awaiting a signal that initiates events leading to replication of the virus and lysis of the host cell. (genomicglossaries.com)
  • Methods in Molecular Biology. (wikipedia.org)
  • The latest schedule for the course Methods in Molecular Biology in the schedule software TimeEdit. (lu.se)
  • Click molecule labels to explore molecular sequence information. (nih.gov)
  • By coupling a molecular modification technique, site-directed mutagenesis, and detailed molecular analysis of the phytase molecule, an improved phytase with both high activity and heat tolerance is now available for the animal feed industry. (usda.gov)
  • When studying protein functions, cassette mutagenesis can allow a scientist to change individual amino acids by introducing different codons or omitting codons. (wikipedia.org)
  • The genome-edited events of plantain Gonja Manjaya were generated with mutations in the targeted sites of integrated eBSV sequences in the host genome. (nature.com)
  • 1 Institute for Molecular and Cellular Biology, Faculty of Engineering, Osaka University, Japan. (nih.gov)
  • Eucaryotic elongation factor 2 (EF-2) contains a post-translationally modified histidine residue termed diphthamide that is specifically ADP-ribosylated by diphtheria toxin (DT) or Pseudomonas exotoxin A. To analyze the potential physiological role of ADP-ribosylation of EF-2 by cellular ADP-ribosyl transferase, we constructed DT-resistant, non-ADP-ribosylatable Saccharomyces cerevisiae EF-2 by site-directed mutagenesis and expressed the mutant EF-2 in yeast. (nih.gov)
  • 3) when the S1 bundle breaks apart leading to the fully open conformation, S1 helices may dock to a specific site on the inner surface of the pore. (usda.gov)
  • We also identify a molecular switch in the top of TM7 important for keeping CCR7 in an inactive conformation (Tyr312), as introduction of the chemokine receptor-conserved Glu (or Ala) induces high constitutive activity. (ku.dk)
  • This course provides a good theoretical and practical basis for understanding molecular techniques, and is thus recommended for students who envision their future career in any area featuring molecular biology and/or biotechnology. (lu.se)
  • He stayed at Sheffield and undertook research into the molecular basis of Immunoglobulin E (IgE) receptor interactions with a focus on therapeutic intervention in allergy graduating with a PhD in 1997. (nottingham.ac.uk)
  • This emphasizes the need to consider factors other than direct protein-inhibitor interactions to guide the design of domain-selective ACE inhibitors, especially in the case of larger peptides. (rcsb.org)
  • Common among these 10 interactions of organic compounds, their power to detect excess cancer agents is the electrophilic nature of or their metabolites, with DNA and R 1 risk at particular sites. (who.int)
  • The second generation of our QuikChange method that provides improved fidelity over our original kit, while maintaining greater than 80% mutation efficiency for single site mutagenesis. (selectscience.net)
  • Primer extension analysis identified a transcriptional start site 72 bp upstream of the pckA initiation codon and an upstream sequence similar to ς 70 promoters. (asm.org)
  • while the MRD method lacks the intrinsic spatial resolution been taken to indicate that the D state induced by strong denatu- of the NOE method, it provides more direct information about rants (and disulfide reduction) approaches a random coil1, imply- the extent (number of water molecules), order (orientational ing that the polypeptide chain is exposed to bulk solvent. (lu.se)
  • Ubiquitin (purple) is a molecular signal important for mediating multiple steps in membrane protein trafficking, function, and degradation. (elifesciences.org)
  • alternatively, APP molecules that are subject to endocytosis are proteolyzed by BACE1 at a site further N-terminal to the membrane domain to generate a 99 aa membrane-tethered stub, termed β-CTF. (jneurosci.org)
  • U. Ryde, L. Hemmingsen (1997) "The active-site metal coordination geometry of cadmium-substituted alcohol dehydrogenase. (lu.se)
  • The bungarotoxin binding site (BBS) epitope ( S1-S2 ) allows for selective labeling of surface Q1 subunits, YFP signal represents total Q1 expression. (elifesciences.org)
  • Here we used direct patch-clamp of skin and eye melanosomes to identify a novel chloride-selective anion conductance mediated by OCA2 and required for melanin production. (elifesciences.org)
  • Aptamers are short nucleic acid sequences capable of specific, high-affinity molecular binding. (genomicglossaries.com)
  • We achieved high quality mutagenesis results and were able to complete the substitutions in our sequence. (selectscience.net)
  • Intratumor heterogeneity and homologous recombination deficiency of high-grade serous ovarian cancer are associated with prognosis and molecular subtype and change in treatment course. (cdc.gov)
  • Here a trinucleosome array is used as the minimal model to study the mechanical response to applied stress at the molecular level. (bvsalud.org)
  • As use of CXCR4 improved, infection mediated by the mutated envelopes became more resistant to soluble CD4 inhibition and direct binding to CD4 increased. (unige.ch)
  • International Journal of Molecular Sciences. (genomicglossaries.com)
  • 78 (9), 4827-4837 (2004) PUBMED 15078964 REFERENCE 2 (bases 1 to 7654) AUTHORS Liu,B.L., Viljoen,G.J., Clarke,I.N. and Lambden,P.R. TITLE Identification of further proteolytic cleavage sites in the Southampton calicivirus polyprotein by expression of the viral protease in E. coli JOURNAL J. Gen. Virol. (cdc.gov)
  • Once the vector is set up with flanking restriction sites, all manipulations (i.e., mutagenesis, sequencing, expression) can be performed in the same plasmid. (wikipedia.org)