Source:http://linkedlifedata.com/resource/pubmed/id/20955552
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2010-11-12
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pubmed:abstractText |
The activity of the heterodimeric transcription factor hypoxia inducible factor (HIF) is regulated by the post-translational, oxygen-dependent hydroxylation of its ?-subunit by members of the prolyl hydroxylase domain (PHD or EGLN)-family and by factor inhibiting HIF (FIH). PHD-dependent hydroxylation targets HIF? for rapid proteasomal degradation; FIH-catalysed asparaginyl-hydroxylation of the C-terminal transactivation domain (CAD) of HIF? suppresses the CAD-dependent subset of the extensive transcriptional responses induced by HIF. FIH can also hydroxylate ankyrin-repeat domain (ARD) proteins, a large group of proteins which are functionally unrelated but share common structural features. Competition by ARD proteins for FIH is hypothesised to affect FIH activity towards HIF?; however the extent of this competition and its effect on the HIF-dependent hypoxic response are unknown.
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pubmed:grant | |
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:issn |
1752-0509
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
4
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
139
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pubmed:meshHeading |
pubmed-meshheading:20955552-Amino Acid Sequence,
pubmed-meshheading:20955552-Ankyrin Repeat,
pubmed-meshheading:20955552-Anoxia,
pubmed-meshheading:20955552-Humans,
pubmed-meshheading:20955552-Hydroxylation,
pubmed-meshheading:20955552-Hypoxia-Inducible Factor 1, alpha Subunit,
pubmed-meshheading:20955552-Kinetics,
pubmed-meshheading:20955552-Models, Biological,
pubmed-meshheading:20955552-Molecular Sequence Data,
pubmed-meshheading:20955552-Oxygen,
pubmed-meshheading:20955552-Proteome,
pubmed-meshheading:20955552-Repressor Proteins,
pubmed-meshheading:20955552-Time Factors
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pubmed:year |
2010
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pubmed:articleTitle |
Hypoxia-dependent sequestration of an oxygen sensor by a widespread structural motif can shape the hypoxic response--a predictive kinetic model.
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pubmed:affiliation |
Oxford Centre for Integrative Systems Biology (OCISB), University of Oxford, South Parks Road, Oxford OX1 3QU, UK.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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