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rdf:type |
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lifeskim:mentions |
umls-concept:C0033607,
umls-concept:C0085741,
umls-concept:C0086418,
umls-concept:C0216386,
umls-concept:C0216387,
umls-concept:C0216388,
umls-concept:C0249187,
umls-concept:C0812377,
umls-concept:C1510827,
umls-concept:C1707391,
umls-concept:C1880022
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pubmed:issue |
10
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pubmed:dateCreated |
1997-10-20
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pubmed:abstractText |
Given the extent of hepatitis C virus (HCV) infection as a worldwide health problem and the lack of effective treatment, the development of anti-HCV drugs is an important and pressing objective. Previous studies have indicated that proteolytic events mediated by the NS3 protease of HCV are fundamental to the generation of an active viral replication apparatus, as unequivocably demonstrated for flaviviruses. As a result, the NS3 protease has become a major target for discovering anti-HCV drugs. To gain further insight into the biochemical and biophysical properties of the NS3 enzyme binding pocket(s) and to generate biological tools for developing antiviral strategies, we decided to engineer macromolecular ligands of the NS3 protease domain. Phage-displayed repertoires of minibodies ("minimized" antibody-like proteins) and human pancreatic secretory trypsin inhibitor were sampled by using the recombinant NS3 protease domain as a ligate molecule. Two protease inhibitors were identified and characterized biochemically. These inhibitors show marked specificity for the viral protease and potency in the micromolar range but display different mechanisms of inhibition. The implications for prospective development of low-molecular-weight inhibitors of this enzyme are discussed.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/9311825-1279666,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/9311825-9215580
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0022-538X
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
71
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
7461-9
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pubmed:dateRevised |
2010-9-10
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pubmed:meshHeading |
pubmed-meshheading:9311825-Humans,
pubmed-meshheading:9311825-Peptide Fragments,
pubmed-meshheading:9311825-Kinetics,
pubmed-meshheading:9311825-Base Sequence,
pubmed-meshheading:9311825-Amino Acid Sequence,
pubmed-meshheading:9311825-Binding Sites,
pubmed-meshheading:9311825-Serine Endopeptidases,
pubmed-meshheading:9311825-Molecular Sequence Data,
pubmed-meshheading:9311825-Protein Structure, Secondary,
pubmed-meshheading:9311825-Mutagenesis, Insertional
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