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1hxd

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<StructureSection load='1hxd' size='340' side='right'caption='[[1hxd]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
<StructureSection load='1hxd' size='340' side='right'caption='[[1hxd]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1hxd]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HXD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1HXD FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1hxd]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HXD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HXD FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BTN:BIOTIN'>BTN</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BTN:BIOTIN'>BTN</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1bia|1bia]], [[1bib|1bib]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1bia|1bia]], [[1bib|1bib]]</div></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Biotin--[acetyl-CoA-carboxylase]_ligase Biotin--[acetyl-CoA-carboxylase] ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.4.15 6.3.4.15] </span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Biotin--[acetyl-CoA-carboxylase]_ligase Biotin--[acetyl-CoA-carboxylase] ligase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.4.15 6.3.4.15] </span></td></tr>
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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=1hxd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hxd OCA], [http://pdbe.org/1hxd PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1hxd RCSB], [http://www.ebi.ac.uk/pdbsum/1hxd PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1hxd ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hxd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hxd OCA], [https://pdbe.org/1hxd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hxd RCSB], [https://www.ebi.ac.uk/pdbsum/1hxd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hxd ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== 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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[[https://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>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]

Revision as of 07:30, 7 April 2021

CRYSTAL STRUCTURE OF E. COLI BIOTIN REPRESSOR WITH BOUND BIOTIN

PDB ID 1hxd

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