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==A Triangular Cytochrome b562 Superstructure Mediated by Ni Coordination - Hexagonal Form== | ==A Triangular Cytochrome b562 Superstructure Mediated by Ni Coordination - Hexagonal Form== | ||
<StructureSection load='3fop' size='340' side='right' caption='[[3fop]], [[Resolution|resolution]] 3.00Å' scene=''> | <StructureSection load='3fop' size='340' side='right'caption='[[3fop]], [[Resolution|resolution]] 3.00Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[3fop]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[3fop]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FOP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3FOP FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=PXX:N-1,10-PHENANTHROLIN-5-YLACETAMIDE'>PXX</scene></td></tr> | </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>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=PXX:N-1,10-PHENANTHROLIN-5-YLACETAMIDE'>PXX</scene></td></tr> | ||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2qla|2qla]], [[256b|256b]], [[3foo|3foo]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2qla|2qla]], [[256b|256b]], [[3foo|3foo]]</div></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">cybC ([ | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">cybC ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3fop FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3fop OCA], [https://pdbe.org/3fop PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3fop RCSB], [https://www.ebi.ac.uk/pdbsum/3fop PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3fop ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
[[ | [[https://www.uniprot.org/uniprot/C562_ECOLX C562_ECOLX]] Electron-transport protein of unknown function. | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
| Line 32: | Line 32: | ||
==See Also== | ==See Also== | ||
*[[Cytochrome b5|Cytochrome b5]] | *[[Cytochrome b5 3D structures|Cytochrome b5 3D structures]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
| Line 38: | Line 38: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Bacillus coli migula 1895]] | [[Category: Bacillus coli migula 1895]] | ||
[[Category: Large Structures]] | |||
[[Category: Radford, R J]] | [[Category: Radford, R J]] | ||
[[Category: Tezcan, F A]] | [[Category: Tezcan, F A]] | ||
Revision as of 22:57, 20 October 2021
A Triangular Cytochrome b562 Superstructure Mediated by Ni Coordination - Hexagonal FormA Triangular Cytochrome b562 Superstructure Mediated by Ni Coordination - Hexagonal Form
Structural highlights
Function[C562_ECOLX] Electron-transport protein of unknown function. 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 PubMedWe previously devised a strategy (metal-directed protein self-assembly, MDPSA) that utilizes the simultaneous stability, lability, and directionality of metal-ligand bonds to drive protein-protein interactions. Here we show that both the structural and functional scopes of MDPSA can be broadened by incorporation of non-natural metal-chelating ligands onto protein surfaces. A cytochrome cb(562) variant, MBP-Phen1, which features a covalently attached phenanthroline (Phen) group on its surface, self-assembles into an unusual triangular architecture (Ni(3):MBP-Phen1(3)) upon binding Ni as a result of specific Phen-protein interactions. The crystal structure of Ni(3):MBP-Phen1(3) reveals that the Phen group is buried in a small pocket on the protein surface, which results in an unsaturated Ni coordination environment. A superprotein triangle driven by nickel(II) coordination: exploiting non-natural metal ligands in protein self-assembly.,Radford RJ, Tezcan FA J Am Chem Soc. 2009 Jul 8;131(26):9136-7. PMID:19527025[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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