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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1993-10-12
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pubmed:abstractText |
Human furin, a member of a recently discovered family of cellular endoproteases, has been identified as a membrane bound protein localized in the Golgi apparatus. Here, we report the presence of a secreted form of furin in the media of cells infected with a vaccinia virus recombinant containing the furin gene. Using the fluorogenic substrate boc-Arg-Val-Arg-Arg-MCA, endoproteolytic activity was detected in the media of infected BSC40 cells. Immunoprecipitations of [35S]-labeled proteins from infected cells revealed that the media contained a lower molecular form of furin than the cellular furin or than a previously characterized soluble furin mutant, hFUR713t. By using the direct linear plot representation of the Michaelis-Menten equation the results demonstrate that the soluble furin exhibited similar kinetics to the hFUR713t enzyme. Thus, our results suggest that membrane-bound furin undergoes post-translational processing to produce a soluble form of the enzyme that can be secreted.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0006-291X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
195
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1011-8
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:8373381-Amino Acid Sequence,
pubmed-meshheading:8373381-Animals,
pubmed-meshheading:8373381-Cell Line,
pubmed-meshheading:8373381-Cercopithecus aethiops,
pubmed-meshheading:8373381-Furin,
pubmed-meshheading:8373381-Humans,
pubmed-meshheading:8373381-Kidney,
pubmed-meshheading:8373381-Kinetics,
pubmed-meshheading:8373381-Molecular Sequence Data,
pubmed-meshheading:8373381-Proteins,
pubmed-meshheading:8373381-Recombinant Proteins,
pubmed-meshheading:8373381-Substrate Specificity,
pubmed-meshheading:8373381-Subtilisins,
pubmed-meshheading:8373381-Transfection,
pubmed-meshheading:8373381-Vaccinia virus
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pubmed:year |
1993
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pubmed:articleTitle |
Characterization of a secreted form of human furin endoprotease.
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pubmed:affiliation |
Department of Pharmacology, Faculty of Medicine, University of Sherbrooke, Québec, Canada.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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