| pubmed-article:10748008 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10748008 | lifeskim:mentions | umls-concept:C0035820 | lld:lifeskim |
| pubmed-article:10748008 | lifeskim:mentions | umls-concept:C0033706 | lld:lifeskim |
| pubmed-article:10748008 | lifeskim:mentions | umls-concept:C1521761 | lld:lifeskim |
| pubmed-article:10748008 | lifeskim:mentions | umls-concept:C1515033 | lld:lifeskim |
| pubmed-article:10748008 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
| pubmed-article:10748008 | pubmed:issue | 22 | lld:pubmed |
| pubmed-article:10748008 | pubmed:dateCreated | 2000-7-11 | lld:pubmed |
| pubmed-article:10748008 | pubmed:abstractText | Regulatory exosite I of thrombin is present on prothrombin in a precursor state (proexosite I) that specifically binds the Tyr(63)-sulfated peptide, hirudin(54-65) (Hir(54-65)(SO(3)(-))) and the nonsulfated analog. The role of proexosite I in the mechanism of factor Va acceleration of prothrombin activation was investigated in kinetic studies of the effects of peptide binding. The initial rate of human prothrombin activation by factor Xa was inhibited by the peptides in the presence of factor Va but not in the absence of the cofactor. Factor Xa and factor Va did not bind the peptide with significant affinity compared with prothrombin. Maximum inhibition reduced the factor Va-accelerated rate to a level indistinguishable from the rate in the absence of the cofactor. The effect of Hir(54-65)(SO(3)(-)) on the kinetics of prothrombin activation obeyed a model in which binding of the peptide to proexosite I prevented productive prothrombin interactions with the factor Xa-factor Va complex. Comparison of human and bovine prothrombin as substrates demonstrated a similar correlation between peptide binding and inhibition of factor Va acceleration. Inhibition of prothrombin activation by hirudin peptides was opposed by assembly on phospholipid vesicles of the membrane-bound factor Xa-factor-Va-prothrombin complex. Factor Va interactions of human and bovine prothrombin activation are concluded to share a common mechanism in which proexosite I participates in productive interactions of prothrombin as the substrate of the factor Xa-factor Va complex, possibly by directly mediating productive prothrombin-factor Va binding. | lld:pubmed |
| pubmed-article:10748008 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:10748008 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10748008 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10748008 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10748008 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:10748008 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:10748008 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10748008 | pubmed:month | Jun | lld:pubmed |
| pubmed-article:10748008 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:10748008 | pubmed:author | pubmed-author:BockP EPE | lld:pubmed |
| pubmed-article:10748008 | pubmed:author | pubmed-author:AndersonP JPJ | lld:pubmed |
| pubmed-article:10748008 | pubmed:author | pubmed-author:NessetAA | lld:pubmed |
| pubmed-article:10748008 | pubmed:author | pubmed-author:Dharmawardana... | lld:pubmed |
| pubmed-article:10748008 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10748008 | pubmed:day | 2 | lld:pubmed |
| pubmed-article:10748008 | pubmed:volume | 275 | lld:pubmed |
| pubmed-article:10748008 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10748008 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10748008 | pubmed:pagination | 16435-42 | lld:pubmed |
| pubmed-article:10748008 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
| pubmed-article:10748008 | pubmed:meshHeading | pubmed-meshheading:10748008... | lld:pubmed |
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| pubmed-article:10748008 | pubmed:meshHeading | pubmed-meshheading:10748008... | lld:pubmed |
| pubmed-article:10748008 | pubmed:meshHeading | pubmed-meshheading:10748008... | lld:pubmed |
| pubmed-article:10748008 | pubmed:year | 2000 | lld:pubmed |
| pubmed-article:10748008 | pubmed:articleTitle | Role of proexosite I in factor Va-dependent substrate interactions of prothrombin activation. | lld:pubmed |
| pubmed-article:10748008 | pubmed:affiliation | Department of Pathology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232, USA. | lld:pubmed |
| pubmed-article:10748008 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10748008 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10748008 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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