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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1994-4-1
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pubmed:abstractText |
Plasmids encoding tissue-type plasminogen activators lacking residues K296-G302 were constructed and were expressed in a Hela cell transient expression system. Conditioned media from the cultures were tested in a number of systems designed to detect function or antigen. Functional assays comprised the chromogenic substrate S2288 and three plasminogen activation assays. All t-PA variants were active in all assays but to varying degrees. The results are consistent with the conclusion that deletion of residues K296-G302 from the slowly-cleared t-PA mutant t-PA del(G) adversely affects the plasminogen activating ability of the molecule without altering the integrity of the active site. This is in contrast to the situation in native t-PA where the same mutation has little overall effect on activity.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Sep
|
pubmed:issn |
1045-1056
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
21
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
269-74
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pubmed:dateRevised |
2004-11-17
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pubmed:meshHeading |
pubmed-meshheading:8117440-Binding Sites,
pubmed-meshheading:8117440-Blotting, Western,
pubmed-meshheading:8117440-Culture Media, Conditioned,
pubmed-meshheading:8117440-HeLa Cells,
pubmed-meshheading:8117440-Humans,
pubmed-meshheading:8117440-Mutation,
pubmed-meshheading:8117440-Plasminogen,
pubmed-meshheading:8117440-Recombinant Proteins,
pubmed-meshheading:8117440-Sequence Deletion,
pubmed-meshheading:8117440-Tissue Plasminogen Activator
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pubmed:year |
1993
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pubmed:articleTitle |
Deletion of residues K296-G302 from the slowly-cleared tissue-type plasminogen activator t-PA del (G) leads to partial loss of plasminogen activating activity.
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pubmed:affiliation |
Department of Biotechnology, SmithKline Beecham Pharmaceuticals, Surrey, U.K.
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pubmed:publicationType |
Journal Article
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