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Complex III of the electron transport chain is shown as a dimeric structure.

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