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| | <StructureSection load='1or6' size='340' side='right'caption='[[1or6]], [[Resolution|resolution]] 2.71Å' scene=''> | | <StructureSection load='1or6' size='340' side='right'caption='[[1or6]], [[Resolution|resolution]] 2.71Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[1or6]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/"vibrio_subtilis"_ehrenberg_1835 "vibrio subtilis" ehrenberg 1835]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OR6 OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=1OR6 FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[1or6]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OR6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OR6 FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.71Å</td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1or4|1or4]]</div></td></tr> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">yhfV ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 "Vibrio subtilis" Ehrenberg 1835])</td></tr>
| + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1or6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1or6 OCA], [https://pdbe.org/1or6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1or6 RCSB], [https://www.ebi.ac.uk/pdbsum/1or6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1or6 ProSAT]</span></td></tr> |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=1or6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1or6 OCA], [http://pdbe.org/1or6 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1or6 RCSB], [http://www.ebi.ac.uk/pdbsum/1or6 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1or6 ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | == Function == | | == Function == |
| - | [[http://www.uniprot.org/uniprot/HEMAT_BACSU HEMAT_BACSU]] Heme-containing signal transducer responsible for aerotaxis, the migratory response toward or away from oxygen.<ref>PMID:10676961</ref> | + | [https://www.uniprot.org/uniprot/HEMAT_BACSU HEMAT_BACSU] Heme-containing signal transducer responsible for aerotaxis, the migratory response toward or away from oxygen.<ref>PMID:10676961</ref> |
| | == Evolutionary Conservation == | | == Evolutionary Conservation == |
| | [[Image:Consurf_key_small.gif|200px|right]] | | [[Image:Consurf_key_small.gif|200px|right]] |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Vibrio subtilis ehrenberg 1835]] | + | [[Category: Bacillus subtilis]] |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Phillips, G N]] | + | [[Category: Phillips Jr GN]] |
| - | [[Category: Zhang, W]] | + | [[Category: Zhang W]] |
| - | [[Category: Globin fold]]
| + | |
| - | [[Category: Signaling protein]]
| + | |
| Structural highlights
Function
HEMAT_BACSU Heme-containing signal transducer responsible for aerotaxis, the migratory response toward or away from oxygen.[1]
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
Much is now known about chemotaxis signaling transduction for Escherichia coli and Salmonella typhimurium. The mechanism of chemotaxis of Bacillus subtilis is, in a sense, reversed. Attractant binding strengthens the activity of histidine kinase in B. subtilis, instead of an inhibition reaction. The HemAT from B. subtilis can detect oxygen and transmit the signal to regulatory proteins that control the direction of flagella rotation. We have determined the crystal structures of the HemAT sensor domain in liganded and unliganded forms at 2.15 A and 2.7 A resolution, respectively. The liganded structure reveals a highly symmetrical organization. Tyrosine70 shows distinct conformational changes on one subunit when ligands are removed. Our study suggests that disruption of the symmetry of HemAT plays an important role in initiating the chemotaxis signaling transduction cascade.
Structure of the oxygen sensor in Bacillus subtilis: signal transduction of chemotaxis by control of symmetry.,Zhang W, Phillips GN Jr Structure. 2003 Sep;11(9):1097-110. PMID:12962628[2]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Hou S, Larsen RW, Boudko D, Riley CW, Karatan E, Zimmer M, Ordal GW, Alam M. Myoglobin-like aerotaxis transducers in Archaea and Bacteria. Nature. 2000 Feb 3;403(6769):540-4. PMID:10676961 doi:http://dx.doi.org/10.1038/35000570
- ↑ Zhang W, Phillips GN Jr. Structure of the oxygen sensor in Bacillus subtilis: signal transduction of chemotaxis by control of symmetry. Structure. 2003 Sep;11(9):1097-110. PMID:12962628
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