5kpf

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==Crystal structure of cytochrome c - Phenyl-trisulfonatocalix[4]arene complex==
==Crystal structure of cytochrome c - Phenyl-trisulfonatocalix[4]arene complex==
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<StructureSection load='5kpf' size='340' side='right' caption='[[5kpf]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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<StructureSection load='5kpf' size='340' side='right'caption='[[5kpf]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5kpf]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5KPF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5KPF FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5kpf]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5KPF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5KPF 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=6VJ:Phenyl-trisulfonatocalix[4]arene'>6VJ</scene>, <scene name='pdbligand=HEC:HEME+C'>HEC</scene>, <scene name='pdbligand=NO3:NITRATE+ION'>NO3</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.698&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3tyi|3tyi]], [[4n0k|4n0k]], [[4ye1|4ye1]], [[5lft|5lft]], [[5t8w|5t8w]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEC:HEME+C'>HEC</scene>, <scene name='pdbligand=NO3:NITRATE+ION'>NO3</scene></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=5kpf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5kpf OCA], [http://pdbe.org/5kpf PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5kpf RCSB], [http://www.ebi.ac.uk/pdbsum/5kpf PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5kpf 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=5kpf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5kpf OCA], [https://pdbe.org/5kpf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5kpf RCSB], [https://www.ebi.ac.uk/pdbsum/5kpf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5kpf ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/CYC1_YEAST CYC1_YEAST]] Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain.
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[https://www.uniprot.org/uniprot/CYC1_YEAST CYC1_YEAST] Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The interactions of two mono-functionalized sulfonatocalix[4]arenes with cytochrome c were investigated by structural and thermodynamic methods. The replacement of a single sulfonate with either a bromo or a phenyl substituent resulted in altered recognition of cytochrome c as evidenced by X-ray crystallography. The bromo-substituted ligand yielded a new binding mode in which a self-encapsulated calixarene dimer contributed to crystal packing. This ligand also formed a weak halogen bond with the protein. The phenyl-substituted ligand was bound to Lys4 of cytochrome c, in a 1.7 A resolution crystal structure. A dimeric packing arrangement mediated by ligand-ligand contacts in the crystal suggested a possible assembly mechanism. The different protein recognition properties of these calixarenes are discussed.
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Protein Recognition by Functionalized Sulfonatocalix[4]arenes.,Doolan AM, Rennie ML, Crowley PB Chemistry. 2018 Jan 19;24(4):984-991. doi: 10.1002/chem.201704931. Epub 2017 Dec , 13. PMID:29125201<ref>PMID:29125201</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 5kpf" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Cytochrome C 3D structures|Cytochrome C 3D structures]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Crowley, P B]]
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[[Category: Large Structures]]
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[[Category: Doolan, A M]]
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[[Category: Saccharomyces cerevisiae]]
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[[Category: Rennie, M L]]
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[[Category: Crowley PB]]
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[[Category: Cytochrome c]]
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[[Category: Doolan AM]]
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[[Category: Electron transport]]
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[[Category: Rennie ML]]
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[[Category: Modified calixarene]]
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[[Category: Phenyl group]]
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Current revision

Crystal structure of cytochrome c - Phenyl-trisulfonatocalix[4]arene complex

PDB ID 5kpf

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