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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
5
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pubmed:dateCreated |
1989-5-12
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pubmed:abstractText |
The human fibrinogen B beta chain was expressed in Escherichia coli to study the functions of fibrinogen associated with this subunit. Recombinant B beta chains were expressed at 100 ng/mL in an IPTG-dependent manner. A first cistron sequence, inserted into the expression vector 5' to the B beta chain cDNA, was required to express the protein. Recombinant B beta chains were expressed within five minutes after induction with IPTG and were soluble in physiologic buffers. The recombinant B beta chains migrated on sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) at a rate identical to B beta chains from fibrinogen treated with N-glycanase. Recombinant B beta chains were cleaved by thrombin, as demonstrated by the loss of cross-reactivity with a monoclonal antibody (MoAb) specific for the undigested B beta 1-42 fragment. The levels of expression of the B beta chain were much lower than those reported previously for the gamma chain of fibrinogen expressed in a similar vector in E coli. However, these levels are sufficient to allow further characterization of this fibrinogen subunit.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0006-4971
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
73
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1202-6
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:2649171-Base Sequence,
pubmed-meshheading:2649171-Blotting, Western,
pubmed-meshheading:2649171-DNA, Recombinant,
pubmed-meshheading:2649171-Escherichia coli,
pubmed-meshheading:2649171-Fibrinogen,
pubmed-meshheading:2649171-Genetic Vectors,
pubmed-meshheading:2649171-Humans,
pubmed-meshheading:2649171-Molecular Sequence Data,
pubmed-meshheading:2649171-Recombinant Proteins,
pubmed-meshheading:2649171-Thrombin
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pubmed:year |
1989
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pubmed:articleTitle |
Expression in Escherichia coli of the human fibrinogen B beta chain and its cleavage by thrombin.
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pubmed:affiliation |
Department of Pathology, University of North Carolina, Chapel Hill 27599-7525.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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