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1k6c

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{{STRUCTURE_1k6c| PDB=1k6c | SCENE= }}
{{STRUCTURE_1k6c| PDB=1k6c | SCENE= }}
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'''LACK OF SYNERGY FOR INHIBITORS TARGETING A MULTI-DRUG RESISTANT HIV-1 PROTEASE'''
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===LACK OF SYNERGY FOR INHIBITORS TARGETING A MULTI-DRUG RESISTANT HIV-1 PROTEASE===
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==Overview==
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The three-dimensional structures of indinavir and three newly synthesized indinavir analogs in complex with a multi-drug-resistant variant (L63P, V82T, I84V) of HIV-1 protease were determined to approximately 2.2 A resolution. Two of the three analogs have only a single modification of indinavir, and their binding affinities to the variant HIV-1 protease are enhanced over that of indinavir. However, when both modifications were combined into a single compound, the binding affinity to the protease variant was reduced. On close examination, the structural rearrangements in the protease that occur in the tightest binding inhibitor complex are mutually exclusive with the structural rearrangements seen in the second tightest inhibitor complex. This occurs as adaptations in the S1 pocket of one monomer propagate through the dimer and affect the conformation of the S1 loop near P81 of the other monomer. Therefore, structural rearrangements that occur within the protease when it binds to an inhibitor with a single modification must be accounted for in the design of inhibitors with multiple modifications. This consideration is necessary to develop inhibitors that bind sufficiently tightly to drug-resistant variants of HIV-1 protease to potentially become the next generation of therapeutic agents.
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(as it appears on PubMed at http://www.pubmed.gov), where 11790852 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11790852}}
==About this Structure==
==About this Structure==
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[[Category: Indinavir]]
[[Category: Indinavir]]
[[Category: Inhibitor recognition]]
[[Category: Inhibitor recognition]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:21:39 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 09:51:02 2008''

Revision as of 06:51, 2 July 2008

Image:1k6c.png

Template:STRUCTURE 1k6c

LACK OF SYNERGY FOR INHIBITORS TARGETING A MULTI-DRUG RESISTANT HIV-1 PROTEASE

Template:ABSTRACT PUBMED 11790852

About this Structure

1K6C is a Single protein structure of sequence from Human immunodeficiency virus 1. Full crystallographic information is available from OCA.

Reference

Lack of synergy for inhibitors targeting a multi-drug-resistant HIV-1 protease., King NM, Melnick L, Prabu-Jeyabalan M, Nalivaika EA, Yang SS, Gao Y, Nie X, Zepp C, Heefner DL, Schiffer CA, Protein Sci. 2002 Feb;11(2):418-29. PMID:11790852

Page seeded by OCA on Wed Jul 2 09:51:02 2008

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