1sq2: Difference between revisions

Revision as of 14:53, 29 July 2008

This article has been automatically seeded. Changes to this page should pertain to the PDB entry only and not to the protein or biomolecule in general.

File:1sq2.png

Template:STRUCTURE 1sq2

Crystal Structure Analysis of the Nurse Shark New Antigen Receptor (NAR) Variable Domain in Complex With LyxozymeCrystal Structure Analysis of the Nurse Shark New Antigen Receptor (NAR) Variable Domain in Complex With Lyxozyme

Template:ABSTRACT PUBMED 15319492

About this StructureAbout this Structure

1SQ2 is a Protein complex structure of sequences from Gallus gallus and Ginglymostoma cirratum. Full crystallographic information is available from OCA.

ReferenceReference

Crystal structure of a shark single-domain antibody V region in complex with lysozyme., Stanfield RL, Dooley H, Flajnik MF, Wilson IA, Science. 2004 Sep 17;305(5691):1770-3. Epub 2004 Aug 19. PMID:15319492

Page seeded by OCA on Tue Jul 29 14:53:25 2008

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-'''Crystal Structure Analysis of the Nurse Shark New Antigen Receptor (NAR) Variable Domain in Complex With Lyxozyme'''
+===Crystal Structure Analysis of the Nurse Shark New Antigen Receptor (NAR) Variable Domain in Complex With Lyxozyme===
-==Overview==
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-Cartilaginous fish are the phylogenetically oldest living organisms known to possess components of the vertebrate adaptive immune system. Key to their immune response are heavy-chain, homodimeric immunoglobulins called new antigen receptors (IgNARs), in which the variable (V) domains recognize antigens with only a single immunoglobulin domain, akin to camelid heavy-chain V domains. The 1.45 angstrom resolution crystal structure of the type I IgNAR V domain in complex with hen egg-white lysozyme (HEL) reveals a minimal antigen-binding domain that contains only two of the three conventional complementarity-determining regions but still binds HEL with nanomolar affinity by means of a binding interface comparable in size to conventional antibodies.
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 [[Category: Immunoglobulin fold]]
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