1m8l

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[[Image:1m8l.gif|left|200px]]
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{{STRUCTURE_1m8l| PDB=1m8l | SCENE= }}
{{STRUCTURE_1m8l| PDB=1m8l | SCENE= }}
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'''NMR structure of the HIV-1 Regulatory Protein Vpr'''
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===NMR structure of the HIV-1 Regulatory Protein Vpr===
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==Overview==
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The human immunodeficiency virus type 1 (HIV-1) genome encodes a highly conserved regulatory gene product, Vpr (96 residues, 14kDa), which is incorporated into virions. In the infected cells, Vpr, expressed late in the virus cycle, is believed to function in the early phases of HIV-1 replication, such as nuclear migration of pre-integration complex, transcription of the proviral genome, viral multiplication by blocking cells in G2 phase and regulation of apoptosis phenomenon. Vpr has a critical role in long term AIDS disease by inducing infection in non-dividing cells such as monocytes and macrophages. To gain insight into the structure-function relationships of Vpr, the (1-96)Vpr protein was synthesized with 22 labeled amino acids. Its 3D structure was analyzed in the presence of CD(3)CN and in pure water at low pH and refined by restrained simulated annealing. The structure of the protein is characterized by three well-defined alpha-helices: 17-33, 38-50 and 56-77 surrounded by flexible N and C-terminal domains. In contrast to the structure obtained in the presence of TFE, the three alpha-helices are folded around a hydrophobic core constituted of Leu, Ile, Val and aromatic residues as illustrated by numerous long range NOEs. This structure accounts for the interaction of Vpr with different targets.
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(as it appears on PubMed at http://www.pubmed.gov), where 12614620 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12614620}}
==About this Structure==
==About this Structure==
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1M8L is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M8L OCA].
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1M8L is a [[Single protein]] structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M8L OCA].
==Reference==
==Reference==
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[[Category: Nmr structure]]
[[Category: Nmr structure]]
[[Category: Vpr]]
[[Category: Vpr]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:45:53 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 23:26:31 2008''

Revision as of 20:26, 2 July 2008

Image:1m8l.png

Template:STRUCTURE 1m8l

NMR structure of the HIV-1 Regulatory Protein Vpr

Template:ABSTRACT PUBMED 12614620

About this Structure

1M8L is a Single protein structure. Full experimental information is available from OCA.

Reference

NMR structure of the HIV-1 regulatory protein VPR., Morellet N, Bouaziz S, Petitjean P, Roques BP, J Mol Biol. 2003 Mar 14;327(1):215-27. PMID:12614620

Page seeded by OCA on Wed Jul 2 23:26:31 2008

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