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Topic: Binding site

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Ligand

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Boltzmann principle

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COINTELPRO

Chris Farley

	Binding site - Wikipedia, the free encyclopedia
		In biochemistry, a binding site is a region on a protein, DNA, or RNA to which specific other molecules and ions — in this context collectively called ligands, or more specifically, protein ligands — form a chemical bond.
		Binding sites also exhibit chemical specificity, a measure of the types of ligands that will bond, and affinity, which is a measure of the strength of the chemical bond.
		A more specific type of binding site is the transcription factor binding site, present on DNA.
	en.wikipedia.org /wiki/Binding_site (191 words)

	Nucleotide Site (Site not responding. Last check: 2007-10-09)
		Ligand binding to both sites, the antigen and the nonconventional binding site, have profound physiological consequences mediated by the Ig B cell receptor.
		Unlike antigen binding sites, the unconventional binding site structures are not clonally expressed on B cells.
		The site is formed by invariant residues in the Fv domains of H and light chains and is easily accessible for the surface of the IgG structure.
	www.altcorp.com /affinitylabeling/abnucleotidesite.htm (2337 words)

	Chapter 21.07 PRELIMINARY BINDING SITE PLANS (Site not responding. Last check: 2007-10-09)
		All preliminary binding site plan proposals accompanied by a major project permit or planned unit development application will be processed in a procedure consistent with and subordinate to the major project permit or planned unit development requirements.
		The dedication of sites for schools, parks, and other public or community purposes may be required to the extent that such dedication is suitable to and reasonable for the needs anticipated by full development of the binding site plan.
		Binding site plans shall incorporate adequate capability for fire protection in accordance with sound engineering practices and locally adopted codes and development standards and shall be approved by the county fire marshal.
	www.mrsc.org /mc/whatcom/whatco21/whatco2107.html (2899 words)

	13.5 Transcription factor binding sites
		MEF2-left is a site for binding of homeodomain proteins Oct-1, MHox, and a weak site for MEF2-binding.
		Binding to E-left by each of the myogenic factors (MyoD, myogenin, myf5, and MRF4) was detectable in the presence of E12, but binding was at least 100-fold weaker than binding to E-right [Chakraborty et al.
		Binding of in vivo translated MyoD1 was not detected [Brennan and Olson 1990]*.
	www.cbil.upenn.edu /MTIR/MCK-sites.html (1918 words)

	14.5 Transcription factor binding sites
		The protein MEF2 binds the MEF2-binding site which is located in the myotube-specific region of the desmin enhancer and does not influence the myoblast-specific region of the enhancer.
		Mutation of the enhancer MyoD site reduced enhancer activity 70-90% in myotubes, and eliminated the ability of myogenin and MyoD to transactivate the enhancer [Li and Paulin 1993]*.
		E1 is a critical site for transactivation of the desmin promoter by myogenic HLH proteins in vivo and does not act as a proximal enhancer -- it is face- and distance-dependent on a downstream TATA element.
	www.cbil.upenn.edu /MTIR/desmin-sites.html (1389 words)

	BioMed Central \| Full text \| Domain-based small molecule binding site annotation
		As seen in Figure 7a, the binding site rapidly predicted by SMID matches well with the binding pocket on the model, and includes the three critical Cys residues, with only two residues which are clearly not part of the binding site.
		Regarding the overestimation of binding site ligands, it may be the case that some of the extra ligands predicted for a given binding site are true interactants but have simply not been crystallized with the protein of interest.
		The relative entropy Ŝ is the average entropy of the binding site residues in the alignment divided by the average entropy of the full alignment.
	www.biomedcentral.com /1471-2105/7/152 (9713 words)

	Binding sites (Site not responding. Last check: 2007-10-09)
		This binding site consists of an upper and lower sheet of graphite that sandwich the anthracene between them, and two graphite strips with fluorinated edges that should have good affinity for the hydrogens along the edge of the anthracene.
		These binding sites are based both on the general attraction of one molecule for another (van der Waals forces) and on the principle that opposite charges attract.
		If the binding site has a sufficient affinity for the feedstock molecule it should be feasible to design a "one pass" binding site and trans-barrier transport system that would reliably bind to the chosen feedstock molecule and reliably reject undesired molecules.
	www.zyvex.com /nanotech/bindingSites.html (3489 words)

	The GraphPad Guide to Analyzing Radioligand Binding Data
		Assess nonspecific binding by measuring radioligand binding in the presence of a concentration of an unlabeled compound that binds to essentially all the receptors.
		Nonspecific is binding in the presence of a saturating concentration of D, and Total is the binding in the absence of competitor.
		Binding sites are clustered (perhaps several binding sites per molecule) and binding of the unlabeled ligand to one site causes the remaining site(s) to bind the unlabeled ligand with lower affinity.
	www.graphpad.com /www/radiolig/radiolig1.htm (6758 words)

	Cooperative binding - Wikipedia, the free encyclopedia
		The variable θ represents the fraction of binding sites that are occupied on the macromolecule.
		An alternative model is the sequential or "induced fit" model of Daniel Koshland, George Némethy and Filmer (KNF model), in which ligand binding at one site causes a local conformational change ("induced fit") that causes small conformational changes at nearby binding sites, affecting their affinity for the ligand.
		In non-cooperative binding, the way the affinity depends on the concentration of ligand in solution often is described as "hyperbolic," because a graph of this dependence traces a hyperbola.
	en.wikipedia.org /wiki/Cooperative_binding (622 words)

	Locating Binding Sites in Protein Structures (Site not responding. Last check: 2007-10-09)
		The purpose of the Site Finder application in MOE is to calculate possible active sites in a receptor from the 3D atomic coordinates of the receptor.
		For each site, the size (in receptor atoms), the number of hydrophobic contacts and the number of sidechain contacts are reported along with a list of the residues containing the contacting atoms.
		Except where noted, the Site Finder was run on the receptor alone, and the site that scored highest (according to the hydrophobic contact count) is displayed and overlaid with the complexed ligand.
	www.chemcomp.com /feature/sitefind.htm (2037 words)

	InterPro: IPR006025 Peptidase M, neutral zinc metallopeptidases, zinc-binding site (Site not responding. Last check: 2007-10-09)
		The majority of zinc-dependent metallopeptidases (with the notable exception of the carboxypeptidases) share a common pattern of primary structure [ 2, 3 ] in the part of their sequence involved in the binding of zinc, and can be grouped together as a superfamily,known as the metzincins, on the basis of this sequence similarity.
		Many of the PTM sites have low specificity and the number of proteins recognised by the sequence signatures cannot be displayed.
		The binding is reversible and the amino acids involved in the binding reaction must be described for a site to be described.
	www.ebi.ac.uk /interpro/IEntry?ac=IPR006025 (3618 words)

	One-Site Versus Two-Site Saturation Experiments
		Multiple binding sites were not seen in the sample experiment, because the HT-29 cells used in the experiment only express the Alpha-2 subtype.
		Unless a reagent, such as Gpp(NH)p, is used to convert all of the receptor molecules to the low affinity form, two binding sites may be detected in the saturation experiments using a radiolabeled agonist.
		It is usually difficult to distinguish one- and two-site binding by eye with a hyperbolic saturation curve.
	www.unmc.edu /Pharmacology/receptortutorial/saturation/one_two.htm (662 words)

	rpbourret.com - XML Data Binding Resources
		XML data binding is the binding of XML documents to objects designed especially for the data in those documents.
		A binding binds a structure and input and output presentations.
		Eine Einfuehrung in XML Data Binding, insbesondere in JAXB.
	www.rpbourret.com /xml/XMLDataBinding.htm (10278 words)

	IngentaConnect Identification of a highaffinity binding site for dinotefuran in ...
		IngentaConnect Identification of a highaffinity binding site for dinotefuran in...
		The binding of the neonicotinoid insecticide dinotefuran to insect nicotinic acetylcholine receptors (nAChRs) was examined by a centrifugation method using the nerve cord membranes of American cockroaches and [
		The results indicate that a high-affinity binding site for dinotefuran is present in the nerve cord of the American cockroach and that the binding of ligands to the site leads to the manifestation of insecticidal activity.
	www.ingentaconnect.com /content/jws/ps/2006/00000062/00000004/art00002 (243 words)

	Sequence Specific Protein Binding to SRSR
		The Sulfolobus repeat was found to be a binding site for an uncharacterized SRSR binding protein (Peng et al, 2003).
		Peng et al was able to determine that a protein binds to that specific SRSR found in Sulfolobus, however, they still know little about the function of the SRSR or the protein that binds to it.
		By showing that they act as a binding site for proteins I would be able to draw a correlation between this SRSR and the one published for Sulfolobus.
	ramsites.net /~tmurphy2/summerproposal.htm (1305 words)

	Exploiting transcription factor binding site clustering to identify cis-regulatory modules involved in pattern ...
		Distribution of predicted transcription factor binding sites and binding site clusters in the vicinity of eve.
		Binding sites and genes shown above the midline map to the forward DNA strand; those below the midline map to the reverse strand.
		Binding site clusters identified as a function of binding site density.
	www.pnas.org /cgi/content/full/99/2/757 (4567 words)

	Binding Site Analysis - Theory
		To define the functional interfaces, trace residues are mapped to the structure of one of the proteins in the sequence family and clustered in 3D space.
		Then, a cubic eraser moves from the outside of the protein toward the center to remove the free points (light green) until the opening is too small for it to move forward.
		After a site is located, it can be modified by expanding or contracting the site.
	www.scripps.edu /rc/softwaredocs/msi/insight2K/bsa/02_theory.html (1156 words)

	First Images of Taxol Binding Site Produced at LBL
		Tubulin is the major constituent of microtubules which are hollow cylinders, like tiny drinking straws, that serve as part of the skeletal system for cells and are crucial to a number of vital functions including mitosis (cell division).
		The LBL images have revealed the site where taxol binds to tubulin and prevents the protein from performing its necessary tasks.
		With the latest refinements of their imaging technique and the collection of additional images, the researchers are certain they will be able to construct an atomic model of tubulin and the taxol binding site.
	www.lbl.gov /Science-Articles/Archive/taxol-site.html (798 words)

	Binding Site Analysis - Methodology
		If one is interested in the functional residues at the binding site or active site, it is useful to identify the exposed trace residues.
		As was discussed in the theory session, this command identifies protein binding or active sites by locating the cavities in protein structures.
		The active site object is pickable with the mouse, so it can be used as the center of a Ludi search.
	www.scripps.edu /rc/softwaredocs/msi/insight2K/bsa/03_methodology.html (1625 words)

	C&EN: TODAY'S HEADLINES - BUILDING A BETTER BINDING SITE
		That single binding site is a key advantage over classic polymer imprinting, Zimmerman explains.
		Cambridge University chemistry professor Jeremy K. Sanders calls the work "a very elegant approach to molecular recognition." Using alkene metathesis to cross-link the dendrimer into its final form is "a master stroke," Sanders says, because the reversible nature of this reaction means that the final product is the thermodynamically stable one.
		Zimmerman characterizes the binding selectivity of the newly prepared dendrimers as "okay, but not great." While the researchers have established that the concept is workable, improving the binding is the next challenge.
	pubs.acs.org /cen/topstory/8030/8030notw4.html (471 words)

	Protein Synthesis
		The active site for GTP hydrolysis is on the GTP-binding protein, although the GAP may contribute an essential active site residue.
		The amino N, of the amino acid that is linked to the 2' or 3' hydroxyl of the terminal adenosine of the tRNA in the A site, reacts with the carbonyl C of the amino acid (with attached nascent polypeptide) linked to the tRNA in the P site.
		Once the release factors occupy the A site on the ribosome, the ribosomal Peptidyl Transferase catalyzes transfer of the peptidyl group to water (hydrolysis).
	www.rpi.edu /dept/bcbp/molbiochem/MBWeb/mb2/part1/translate.htm (1777 words)

	Characterization of the TBX5 binding site and analysis of mutations that cause Holt-Oram syndrome -- Ghosh et al. 10 ...
		Characterization of the TBX5 binding site and analysis of mutations that cause Holt-Oram syndrome -- Ghosh et al.
		Characterization of the TBX5 binding site and analysis of mutations that cause Holt–Oram syndrome
		from the binding of one full-length and one truncated molecule
	hmg.oxfordjournals.org /cgi/content/full/10/18/1983 (7487 words)

	ScienceDaily: Research Pinpoints West Nile Virus Antibody Binding Site
		The E proteins in one triangular segment of the icosahedron are not all positioned the same way relative to each other and to the various "axes" that define the icosahedron.
		The antibody is called a monoclonal antibody because it recognizes only a single binding site on the E protein.
		Research Pinpoints West Nile Virus Antibody Binding Site (August 16, 2006) -- Researchers have learned the precise location where an antibody binds to the West Nile virus, and they have suggested a mechanism for how this antibody neutralizes the virus to prevent...
	www.sciencedaily.com /releases/2006/08/060816012607.htm (2241 words)

	E. coli DNA-Binding Site Matrices
		Known binding sites for a DNA-binding protein can be used to identify additional sites for that protein, and thereby identify further genes regulated by that protein.
		DPInteract database) which we used to search for additional binding sites in the E.coli genomic sequence.
		We used the matrix scoring method of Berg and von Hippel to score genomic sites because scores from this method have been shown to correlate with in vitro binding constants.
	arep.med.harvard.edu /ecoli_matrices (246 words)

	Douglas W. Jones on Bookbinding
		This tutorial introduction is aimed primarily at those who wish to preserve the content of old pulp paperbacks by photocopying them onto archival paper and then binding the results using an archival binding technique, the long-stitch.
		It is very difficult to photocopy an old paperback without destroying what is left of the binding, so it is worth asking if the book can be preserved by other means, for example, by neutralizing the acid in the paper.
		With a proper binding and modest care in storage, this should last for centuries.
	www.cs.uiowa.edu /~jones/book (548 words)

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	www.medscape.com /viewarticle/527743 (78 words)

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