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spinqualitylabelsall models PDB ID 1kyo Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image
1kyo, resolution 2.97Å ()
Ligands:	, ,
Non-Standard Residues:
Activity:	Ubiquinol--cytochrome-c reductase, with EC number 1.10.2.2
Related:	1ezv, 1kb9
Structural annotation: Resources: CATH : 1Kyoa02, 1Kyoa01, 1Kyob02, 1Kyob01, 1Kyoc00, 1Kyod01, 1Kyod02, 1Kyoe01, 1Kyoe02, 1Kyof00, 1Kyog00, 1Kyoh00, 1Kyoi00, 1Kyoj00, 1Kyok00, 1Kyol02, 1Kyol01, 1Kyom02, 1Kyom01, 1Kyon00, 1Kyoo01, 1Kyoo02, 1Kyop01, 1Kyop02, 1Kyoq00, 1Kyor00, 1Kyos00, 1Kyot00, 1Kyou00, 1Kyov00, 1Kyow00 InterPro : Ipr011237, Ipr001431, Ipr007863, Ipr011249, Ipr011765, Ipr005798, Ipr005797, Ipr002326, Ipr009056, Ipr004192, Ipr006317, Ipr005806, Ipr014349, Ipr005805, Ipr003422, Ipr003197, Ipr004205, Ipr008027, Ipr003088, Ipr012125, Ipr002327 Pfam : PF00675, PF05193, PF00032, PF00033, PF02167, PF02921, PF00355, PF02271, PF02939, PF05365, PF00034 SCOP : d1kyoa2, d1kyoa1, d1kyob2, d1kyob1, d1kyoc2, d1kyoc3, d1kyod2, d1kyod1, d1kyoe2, d1kyoe1, d1kyof_, d1kyog_, d1kyoh_, d1kyoi_, d1kyol1, d1kyol2, d1kyom2, d1kyom1, d1kyon2, d1kyon3, d1kyoo2, d1kyoo1, d1kyop1, d1kyop2, d1kyoq_, d1kyor_, d1kyos_, d1kyot_, d1kyow_ UniProt : P07256, P07257, P00163, P07143, P08067, P00127, P00128, P08525, P22289, P00044
Functional annotation: Cellular component: mitochondrial respiratory chain mitochondrion membrane mitochondrial respiratory chain complex III integral to membrane mitochondrial inner membrane mitochondrial envelope mitochondrial intermembrane space Biological process: aerobic respiration electron transport proteolysis transport mitochondrial electron transport, ubiquinol to cytochrome c oxidative phosphorylation cytochrome bc(1) complex assembly iron-sulfur cluster assembly Molecular function: zinc ion binding protein binding metalloendopeptidase activity ubiquinol-cytochrome-c reductase activity iron ion binding metal ion binding electron transporter, transferring electrons within CoQH2-cytochrome c reductase complex activity oxidoreductase activity heme binding electron carrier activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding
Evolutionary conservation: Toggle Conservation Colors: Rows = identical sequences: Further Information: Caveats, Explanation, Complete Results at ConSurfDB
Resources:	FirstGlance, OCA, PDBsum, RCSB
Coordinates:	save as pdb, mmCIF, xml

Contents 1 YEAST CYTOCHROME BC1 COMPLEX WITH BOUND SUBSTRATE CYTOCHROME C 2 About this Structure 3 See Also 4 Reference

YEAST CYTOCHROME BC1 COMPLEX WITH BOUND SUBSTRATE CYTOCHROME C

Template:ABSTRACT PUBMED 11880631

About this Structure

1kyo is a 23 chain structure of Cytochrome c with sequence from Mus musculus and Saccharomyces cerevisiae. The December 2002 RCSB PDB Molecule of the Month feature on Cytochrome c by David S. Goodsell is 10.2210/rcsb_pdb/mom_2002_12. Full crystallographic information is available from OCA.

See Also

• Cytochrome c

Reference

• Lange C, Hunte C. Crystal structure of the yeast cytochrome bc1 complex with its bound substrate cytochrome c. Proc Natl Acad Sci U S A. 2002 Mar 5;99(5):2800-5. PMID:11880631 doi:10.1073/pnas.052704699
• Janzon J, Yuan Q, Malatesta F, Hellwig P, Ludwig B, Durham B, Millett F. Probing the Paracoccus denitrificans cytochrome c(1)-cytochrome c(552) interaction by mutagenesis and fast kinetics. Biochemistry. 2008 Dec 9;47(49):12974-84. PMID:19006325 doi:10.1021/bi800932c