2gw5

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[[Image:2gw5.png|left|200px]]
 
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{{STRUCTURE_2gw5| PDB=2gw5 | SCENE= }}
{{STRUCTURE_2gw5| PDB=2gw5 | SCENE= }}
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===Crystal Structure of LIR-2 (ILT4) at 1.8 : differences from LIR-1 (ILT2) in regions implicated in the binding of the Cytomegalovirus class I MHC homolog UL18===
===Crystal Structure of LIR-2 (ILT4) at 1.8 : differences from LIR-1 (ILT2) in regions implicated in the binding of the Cytomegalovirus class I MHC homolog UL18===
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{{ABSTRACT_PUBMED_12390682}}
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==Function==
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[[http://www.uniprot.org/uniprot/LIRB2_HUMAN LIRB2_HUMAN]] Receptor for class I MHC antigens. Recognizes a broad spectrum of HLA-A, HLA-B, HLA-C and HLA-G alleles. Involved in the down-regulation of the immune response and the development of tolerance. Competes with CD8A for binding to class I MHC antigens. Inhibits FCGR1A-mediated phosphorylation of cellular proteins and mobilization of intracellular calcium ions.<ref>PMID:9548455</ref> <ref>PMID:9842885</ref> <ref>PMID:11875462</ref> <ref>PMID:12853576</ref>
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{{ABSTRACT_PUBMED_12390682}}
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==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:012390682</ref><references group="xtra"/>
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<ref group="xtra">PMID:012390682</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Bjorkman, P J.]]
[[Category: Bjorkman, P J.]]

Revision as of 08:48, 23 April 2014

Template:STRUCTURE 2gw5

Contents

Crystal Structure of LIR-2 (ILT4) at 1.8 : differences from LIR-1 (ILT2) in regions implicated in the binding of the Cytomegalovirus class I MHC homolog UL18

Template:ABSTRACT PUBMED 12390682

Function

[LIRB2_HUMAN] Receptor for class I MHC antigens. Recognizes a broad spectrum of HLA-A, HLA-B, HLA-C and HLA-G alleles. Involved in the down-regulation of the immune response and the development of tolerance. Competes with CD8A for binding to class I MHC antigens. Inhibits FCGR1A-mediated phosphorylation of cellular proteins and mobilization of intracellular calcium ions.[1] [2] [3] [4]

About this Structure

2gw5 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Willcox BE, Thomas LM, Chapman TL, Heikema AP, West AP Jr, Bjorkman PJ. Crystal structure of LIR-2 (ILT4) at 1.8 A: differences from LIR-1 (ILT2) in regions implicated in the binding of the Human Cytomegalovirus class I MHC homolog UL18. BMC Struct Biol. 2002 Oct 11;2:6. PMID:12390682
  1. ↑ Borges L, Hsu ML, Fanger N, Kubin M, Cosman D. A family of human lymphoid and myeloid Ig-like receptors, some of which bind to MHC class I molecules. J Immunol. 1997 Dec 1;159(11):5192-6. PMID:9548455
  2. ↑ Fanger NA, Cosman D, Peterson L, Braddy SC, Maliszewski CR, Borges L. The MHC class I binding proteins LIR-1 and LIR-2 inhibit Fc receptor-mediated signaling in monocytes. Eur J Immunol. 1998 Nov;28(11):3423-34. PMID:9842885
  3. ↑ Chang CC, Ciubotariu R, Manavalan JS, Yuan J, Colovai AI, Piazza F, Lederman S, Colonna M, Cortesini R, Dalla-Favera R, Suciu-Foca N. Tolerization of dendritic cells by T(S) cells: the crucial role of inhibitory receptors ILT3 and ILT4. Nat Immunol. 2002 Mar;3(3):237-43. Epub 2002 Jan 28. PMID:11875462 doi:10.1038/ni760
  4. ↑ Shiroishi M, Tsumoto K, Amano K, Shirakihara Y, Colonna M, Braud VM, Allan DS, Makadzange A, Rowland-Jones S, Willcox B, Jones EY, van der Merwe PA, Kumagai I, Maenaka K. Human inhibitory receptors Ig-like transcript 2 (ILT2) and ILT4 compete with CD8 for MHC class I binding and bind preferentially to HLA-G. Proc Natl Acad Sci U S A. 2003 Jul 22;100(15):8856-61. Epub 2003 Jul 9. PMID:12853576 doi:10.1073/pnas.1431057100

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