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4wf2

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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4wf2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wf2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4wf2 RCSB], [http://www.ebi.ac.uk/pdbsum/4wf2 PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4wf2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wf2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4wf2 RCSB], [http://www.ebi.ac.uk/pdbsum/4wf2 PDBsum]</span></td></tr>
</table>
</table>
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== Function ==
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[[http://www.uniprot.org/uniprot/BIRA_ECOLI BIRA_ECOLI]] Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a biotin-operon repressor. In the presence of ATP, BirA activates biotin to form the BirA-biotinyl-5'-adenylate (BirA-bio-5'-AMP or holoBirA) complex. HoloBirA can either transfer the biotinyl moiety to the biotin carboxyl carrier protein (BCCP) subunit of acetyl-CoA carboxylase, or bind to the biotin operator site and inhibit transcription of the operon.<ref>PMID:6129246</ref> <ref>PMID:2667763</ref> <ref>PMID:8003500</ref> <ref>PMID:12527300</ref>
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Beckett, D.]]
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[[Category: Beckett, D]]
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[[Category: Eginton, C.]]
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[[Category: Eginton, C]]
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[[Category: Wade, H.]]
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[[Category: Wade, H]]
[[Category: Biotin protein ligase]]
[[Category: Biotin protein ligase]]
[[Category: Biotin repressor]]
[[Category: Biotin repressor]]
[[Category: Complex with biotinol-5'-amp]]
[[Category: Complex with biotinol-5'-amp]]
[[Category: G142a mutant]]
[[Category: G142a mutant]]

Revision as of 12:45, 25 December 2014

Structure of E. coli BirA G142A bound to biotinol-5'-AMP

4wf2, resolution 2.31Å

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