1oll: Difference between revisions

Revision as of 10:29, 28 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:1oll.png

Template:STRUCTURE 1oll

EXTRACELLULAR REGION OF THE HUMAN RECEPTOR NKP46EXTRACELLULAR REGION OF THE HUMAN RECEPTOR NKP46

Template:ABSTRACT PUBMED 12951052

About this StructureAbout this Structure

1OLL is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

ReferenceReference

Structure of the human NK cell triggering receptor NKp46 ectodomain., Ponassi M, Cantoni C, Biassoni R, Conte R, Spallarossa A, Pesce A, Moretta A, Moretta L, Bolognesi M, Bordo D, Biochem Biophys Res Commun. 2003 Sep 19;309(2):317-23. PMID:12951052

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-'''EXTRACELLULAR REGION OF THE HUMAN RECEPTOR NKP46'''
+===EXTRACELLULAR REGION OF THE HUMAN RECEPTOR NKP46===
-==Overview==
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-NKp46, a natural killer (NK) cell-specific receptor, has been recently identified as one of the triggering receptors involved in NK cell activation mediated by non-HLA class I ligands. The structure of the NKp46 extracellular receptor region, here reported, consists of two Ig-like domains assembled similarly to leukocyte immunoglobulin-like receptors (LIRs) and killer inhibitory receptors (KIRs). The extensive NKp46 residue substitutions at sites structurally related to those mediating interaction with HLA antigens in LIRs and KIRs indicate that NKp46 recognition processes in vivo should involve non-HLA ligands. NKP46 is shown to stem from an ancestral KIR/LIR family. However, the absence of close paralogues, such as those found for LIR and KIR, indicates that NKp46 is the unique member of a distinct Ig-like subfamily and suggests a specific role, which appears to be maintained across primates and rodents.
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 ==About this Structure==
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 [[Category: Immune system]]
 [[Category: Nk cell triggering receptor]]
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