2rll

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[[Image:2rll.jpg|left|200px]]
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{{Seed}}
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[[Image:2rll.png|left|200px]]
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{{STRUCTURE_2rll| PDB=2rll | SCENE= }}
{{STRUCTURE_2rll| PDB=2rll | SCENE= }}
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'''CCR5 Nt(7-15)'''
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===CCR5 Nt(7-15)===
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==Overview==
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The CCR5 co-receptor binds to the HIV-1 gp120 envelope glycoprotein and facilitates HIV-1 entry into cells. Its N terminus is tyrosine-sulfated, as are many antibodies that react with the co-receptor binding site on gp120. We applied nuclear magnetic resonance and crystallographic techniques to analyze the structure of the CCR5 N terminus and that of the tyrosine-sulfated antibody 412d in complex with gp120 and CD4. The conformations of tyrosine-sulfated regions of CCR5 (alpha-helix) and 412d (extended loop) are surprisingly different. Nonetheless, a critical sulfotyrosine on CCR5 and on 412d induces similar structural rearrangements in gp120. These results now provide a framework for understanding HIV-1 interactions with the CCR5 N terminus during viral entry and define a conserved site on gp120, whose recognition of sulfotyrosine engenders posttranslational mimicry by the immune system.
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The line below this paragraph, {{ABSTRACT_PUBMED_17901336}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 17901336 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17901336}}
==About this Structure==
==About this Structure==
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2RLL is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RLL OCA].
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2RLL is a [[Single protein]] structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RLL OCA].
==Reference==
==Reference==
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[[Category: Transducer]]
[[Category: Transducer]]
[[Category: Transmembrane]]
[[Category: Transmembrane]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 17:08:18 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 06:02:20 2008''

Revision as of 03:02, 28 July 2008

Image:2rll.png

Template:STRUCTURE 2rll

CCR5 Nt(7-15)

Template:ABSTRACT PUBMED 17901336

About this Structure

2RLL is a Single protein structure. Full experimental information is available from OCA.

Reference

Structures of the CCR5 N terminus and of a tyrosine-sulfated antibody with HIV-1 gp120 and CD4., Huang CC, Lam SN, Acharya P, Tang M, Xiang SH, Hussan SS, Stanfield RL, Robinson J, Sodroski J, Wilson IA, Wyatt R, Bewley CA, Kwong PD, Science. 2007 Sep 28;317(5846):1930-4. PMID:17901336

Page seeded by OCA on Mon Jul 28 06:02:20 2008

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