Structure of PDB 1kyo Chain C
Receptor sequence
| >1kyoC (length=385) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] |
| MAFRKSNVYLSLVNSYIIDSPQPSSINYWWNMGSLLGLCLVIQIVTGIFM AMHYSSNIELAFSSVEHIMRDVHNGYILRYLHANGASFFFMVMFMHMAKG LYYGSYRSPRVTLWNVGVIIFTLTIATAFLGYCCVYGQMSHWGATVITNL FSAIPFVGNDIVSWLWGGFSVSNPTIQRFFALHYLVPFIIAAMVIMHLMA LHIHGSSNPLGITGNLDRIPMHSYFIFKDLVTVFLFMLILALFVFYSPNT LGHPDNYIPGNPLVTPASIVPEWYLLPFYAILRSIPDKLLGVITMFAAIL VLLVLPFTDRSVVRGNTFKVLSKFFFFIFVFNFVLLGQIGACHVEVPYVL MGQIATFIYFAYFLIIVPVISTIENVLFYIGRVNK |
3D structure
| PDB | 1kyo Crystal structure of the yeast cytochrome bc1 complex with its bound substrate cytochrome c. | ||
| Chain | C | ||
| Resolution | 2.97 Å | ||
| 3D structure |
|
Enzymatic activity
| Catalytic site (original residue number in PDB) | H202 S206 K228 D229 E272 |
| Catalytic site (residue number reindexed from 1) | H202 S206 K228 D229 E272 |
| Enzyme Commision number | 7.1.1.8: quinol--cytochrome-c reductase. |
Interaction with ligand
| Site # |
Ligand | Ligand chain |
Binding residues on receptor (original residue number in PDB) |
Binding residues on receptor (residue number reindexed from 1) |
Binding affinity |
|---|---|---|---|---|---|
| BS01 | HEC | C | Q43 G47 M50 R79 H82 A83 G131 Y132 V135 H183 Y184 P187 | Q43 G47 M50 R79 H82 A83 G131 Y132 V135 H183 Y184 P187 | |
| BS02 | HEC | C | W30 G33 L36 H96 M97 K99 S105 L113 W114 G117 I120 V194 H197 L201 S206 S207 | W30 G33 L36 H96 M97 K99 S105 L113 W114 G117 I120 V194 H197 L201 S206 S207 | |
| BS03 | SMA | C | I125 A126 F129 G143 V146 I147 L165 V270 P271 E272 Y279 M295 F296 | I125 A126 F129 G143 V146 I147 L165 V270 P271 E272 Y279 M295 F296 |
Gene Ontology
| Molecular Function | |
|---|---|
| GO:0008121 | ubiquinol-cytochrome-c reductase activity |
| GO:0009055 | electron transfer activity |
| GO:0016491 | oxidoreductase activity |
| GO:0046872 | metal ion binding |
