Source:http://linkedlifedata.com/resource/pubmed/id/14527664
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2-3
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pubmed:dateCreated |
2003-10-6
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pubmed:abstractText |
Gelsolin requires activation to carry out its severing and capping activities on F-actin. Here, we present the structure of the isolated C-terminal half of gelsolin (G4-G6) at 2.0 A resolution in the presence of Ca(2+) ions. This structure completes a triptych of the states of activation of G4-G6 that illuminates its role in the function of gelsolin. Activated G4-G6 displays an open conformation, with the actin-binding site on G4 fully exposed and all three type-2 Ca(2+) sites occupied. Neither actin nor the type-l Ca(2+), which normally is sandwiched between actin and G4, is required to achieve this conformation.
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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 |
0014-5793
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
552
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
82-5
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:14527664-Actins,
pubmed-meshheading:14527664-Animals,
pubmed-meshheading:14527664-Binding Sites,
pubmed-meshheading:14527664-Calcium,
pubmed-meshheading:14527664-Crystallography, X-Ray,
pubmed-meshheading:14527664-Gelsolin,
pubmed-meshheading:14527664-Humans,
pubmed-meshheading:14527664-Models, Molecular,
pubmed-meshheading:14527664-Protein Conformation,
pubmed-meshheading:14527664-Protein Structure, Tertiary,
pubmed-meshheading:14527664-Rabbits
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pubmed:year |
2003
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pubmed:articleTitle |
Activation in isolation: exposure of the actin-binding site in the C-terminal half of gelsolin does not require actin.
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pubmed:affiliation |
Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, 751 23 Uppsala, Sweden.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, Non-U.S. Gov't
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