6WTI
The Cryo-EM structure of the ubiquinol oxidase from Escherichia coli
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004129 | molecular_function | cytochrome-c oxidase activity |
| A | 0005507 | molecular_function | copper ion binding |
| A | 0005515 | molecular_function | protein binding |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006811 | biological_process | monoatomic ion transport |
| A | 0009055 | molecular_function | electron transfer activity |
| A | 0009060 | biological_process | aerobic respiration |
| A | 0009319 | cellular_component | cytochrome o ubiquinol oxidase complex |
| A | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| A | 0015078 | molecular_function | proton transmembrane transporter activity |
| A | 0015453 | molecular_function | oxidoreduction-driven active transmembrane transporter activity |
| A | 0015990 | biological_process | electron transport coupled proton transport |
| A | 0016020 | cellular_component | membrane |
| A | 0016682 | molecular_function | oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor |
| A | 0019646 | biological_process | aerobic electron transport chain |
| A | 0020037 | molecular_function | heme binding |
| A | 0022904 | biological_process | respiratory electron transport chain |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0048039 | molecular_function | ubiquinone binding |
| A | 1902600 | biological_process | proton transmembrane transport |
| B | 0004129 | molecular_function | cytochrome-c oxidase activity |
| B | 0005507 | molecular_function | copper ion binding |
| B | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| B | 0016020 | cellular_component | membrane |
| B | 0016682 | molecular_function | oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor |
| B | 0022900 | biological_process | electron transport chain |
| C | 0004129 | molecular_function | cytochrome-c oxidase activity |
| C | 0005515 | molecular_function | protein binding |
| C | 0005886 | cellular_component | plasma membrane |
| C | 0009055 | molecular_function | electron transfer activity |
| C | 0009060 | biological_process | aerobic respiration |
| C | 0009319 | cellular_component | cytochrome o ubiquinol oxidase complex |
| C | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| C | 0015078 | molecular_function | proton transmembrane transporter activity |
| C | 0015453 | molecular_function | oxidoreduction-driven active transmembrane transporter activity |
| C | 0015990 | biological_process | electron transport coupled proton transport |
| C | 0016020 | cellular_component | membrane |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0019646 | biological_process | aerobic electron transport chain |
| C | 0022904 | biological_process | respiratory electron transport chain |
| D | 0005515 | molecular_function | protein binding |
| D | 0005886 | cellular_component | plasma membrane |
| D | 0009055 | molecular_function | electron transfer activity |
| D | 0009060 | biological_process | aerobic respiration |
| D | 0009319 | cellular_component | cytochrome o ubiquinol oxidase complex |
| D | 0009486 | molecular_function | cytochrome bo3 ubiquinol oxidase activity |
| D | 0015078 | molecular_function | proton transmembrane transporter activity |
| D | 0015453 | molecular_function | oxidoreduction-driven active transmembrane transporter activity |
| D | 0015990 | biological_process | electron transport coupled proton transport |
| D | 0016020 | cellular_component | membrane |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0019646 | biological_process | aerobic electron transport chain |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | binding site for residue HEM A 1001 |
| Chain | Residue |
| A | PHE73 |
| A | HIS421 |
| A | ILE424 |
| A | VAL429 |
| A | PHE468 |
| A | ARG481 |
| A | ARG482 |
| A | MET79 |
| A | PHE103 |
| A | HIS106 |
| A | GLY107 |
| A | MET110 |
| A | ILE111 |
| A | TRP170 |
| A | ILE417 |
| site_id | AC2 |
| Number of Residues | 26 |
| Details | binding site for residue HEO A 1002 |
| Chain | Residue |
| A | TRP170 |
| A | VAL287 |
| A | TYR288 |
| A | ILE291 |
| A | HIS333 |
| A | HIS334 |
| A | ILE355 |
| A | ALA356 |
| A | THR359 |
| A | GLY395 |
| A | GLY398 |
| A | VAL399 |
| A | LEU401 |
| A | ALA402 |
| A | ASP407 |
| A | HIS411 |
| A | LEU416 |
| A | HIS419 |
| A | PHE420 |
| A | VAL423 |
| A | ILE424 |
| A | ARG481 |
| B | MET51 |
| B | VAL54 |
| B | VAL55 |
| B | ILE100 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue CU A 1003 |
| Chain | Residue |
| A | HIS284 |
| A | HIS333 |
| A | HIS334 |
| site_id | AC4 |
| Number of Residues | 13 |
| Details | binding site for residue UQ8 A 1004 |
| Chain | Residue |
| A | ILE16 |
| A | VAL17 |
| A | THR20 |
| A | LEU70 |
| A | ARG71 |
| A | ALA74 |
| A | ASP75 |
| A | MET78 |
| A | HIS98 |
| A | GLN101 |
| A | ILE102 |
| A | ASN157 |
| A | LEU160 |
| site_id | AC5 |
| Number of Residues | 13 |
| Details | binding site for residue 3PE A 1005 |
| Chain | Residue |
| A | PHE138 |
| A | PRO139 |
| A | PHE140 |
| A | LEU141 |
| A | GLN195 |
| A | PHE602 |
| A | TRP625 |
| A | LYS628 |
| C | LYS25 |
| C | GLY28 |
| C | PHE29 |
| C | TYR32 |
| C | 3PE401 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue 3PE A 1006 |
| Chain | Residue |
| A | ALA251 |
| A | TRP611 |
| A | 3PE1007 |
| site_id | AC7 |
| Number of Residues | 1 |
| Details | binding site for residue 3PE A 1007 |
| Chain | Residue |
| A | 3PE1006 |
| site_id | AC8 |
| Number of Residues | 9 |
| Details | binding site for residue U9V A 1008 |
| Chain | Residue |
| A | TRP48 |
| A | ILE62 |
| A | ILE63 |
| A | VAL150 |
| A | TRP439 |
| A | TRP440 |
| A | PHE444 |
| A | ARG523 |
| A | 3PE1009 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | binding site for residue 3PE A 1009 |
| Chain | Residue |
| A | TYR517 |
| A | ARG521 |
| A | ARG523 |
| A | U9V1008 |
| site_id | AD1 |
| Number of Residues | 4 |
| Details | binding site for residue 3PE B 401 |
| Chain | Residue |
| A | ILE350 |
| A | ILE354 |
| B | ILE101 |
| B | TRP108 |
| site_id | AD2 |
| Number of Residues | 11 |
| Details | binding site for residue 3PE C 401 |
| Chain | Residue |
| C | SER152 |
| C | TRP156 |
| C | ARG176 |
| A | VAL248 |
| A | ALA251 |
| A | PHE618 |
| A | TRP625 |
| A | 3PE1005 |
| C | LYS25 |
| C | TYR32 |
| C | HIS149 |
| site_id | AD3 |
| Number of Residues | 6 |
| Details | binding site for residue 3PE C 402 |
| Chain | Residue |
| C | PHE120 |
| C | HIS121 |
| C | ILE124 |
| C | ALA141 |
| C | GLY144 |
| C | THR145 |
| site_id | AD4 |
| Number of Residues | 6 |
| Details | binding site for residue 3PE D 201 |
| Chain | Residue |
| C | PHE44 |
| C | ALA48 |
| C | MET201 |
| D | VAL85 |
| D | ILE88 |
| D | VAL93 |
| site_id | AD5 |
| Number of Residues | 4 |
| Details | binding site for residue 3PE D 202 |
| Chain | Residue |
| A | MET222 |
| A | TRP230 |
| A | ILE240 |
| D | PHE83 |
Functional Information from PROSITE/UniProt
| site_id | PS00077 |
| Number of Residues | 55 |
| Details | COX1_CUB Heme-copper oxidase catalytic subunit, copper B binding region signature. WAWGHPeVyililpvfgvfseiaatfsrkrlfgytslvwatvcitvlsfivwl..HH |
| Chain | Residue | Details |
| A | TRP280-HIS334 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 92 |
| Details | Topological domain: {"description":"Periplasmic"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 18 |
| Details | Transmembrane: {"description":"Helical; Name=I"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 105 |
| Details | Topological domain: {"description":"Cytoplasmic"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 27 |
| Details | Transmembrane: {"description":"Helical; Name=II"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 36 |
| Details | Transmembrane: {"description":"Helical; Name=III"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 23 |
| Details | Transmembrane: {"description":"Helical; Name=IV"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 30 |
| Details | Transmembrane: {"description":"Helical; Name=V"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 35 |
| Details | Transmembrane: {"description":"Helical; Name=VI"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 36 |
| Details | Transmembrane: {"description":"Helical; Name=VII"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 14 |
| Details | Transmembrane: {"description":"Helical; Name=VIII"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 28 |
| Details | Transmembrane: {"description":"Helical; Name=IX"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 31 |
| Details | Transmembrane: {"description":"Helical; Name=X"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 32 |
| Details | Transmembrane: {"description":"Helical; Name=XI"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 28 |
| Details | Transmembrane: {"description":"Helical; Name=XII"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 31 |
| Details | Transmembrane: {"description":"Helical; Name=XIII"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI16 |
| Number of Residues | 18 |
| Details | Transmembrane: {"description":"Helical; Name=XIV"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI17 |
| Number of Residues | 18 |
| Details | Transmembrane: {"description":"Helical; Name=XV"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI18 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"33408407","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6WTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7CUB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7CUW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7N9Z","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI19 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7CUW","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI20 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7CUB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7CUW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7N9Z","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI21 |
| Number of Residues | 3 |
| Details | Binding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"11017202","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"33408407","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FFT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6WTI","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI22 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11017202","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FFT","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI23 |
| Number of Residues | 5 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11017202","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"33408407","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FFT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6WTI","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI24 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"33408407","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6WTI","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI25 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"1'-histidyl-3'-tyrosine (His-Tyr)","evidences":[{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI28 |
| Number of Residues | 79 |
| Details | Topological domain: {"description":"Periplasmic","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI29 |
| Number of Residues | 179 |
| Details | Transmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI30 |
| Number of Residues | 75 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI31 |
| Number of Residues | 1 |
| Details | Lipidation: {"description":"S-diacylglycerol cysteine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00303","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 23 |
| Details | M-CSA 714 |
| Chain | Residue | Details |
| A | TYR61 | proton shuttle (general acid/base) |
| A | THR149 | proton shuttle (general acid/base) |
| A | THR201 | proton shuttle (general acid/base) |
| A | THR204 | proton shuttle (general acid/base) |
| A | THR211 | proton shuttle (general acid/base) |
| A | HIS284 | metal ligand, modifies pKa |
| A | GLU286 | proton shuttle (general acid/base) |
| A | TYR288 | electron shuttle, proton shuttle (general acid/base) |
| A | SER299 | proton shuttle (general acid/base) |
| A | SER315 | proton shuttle (general acid/base) |
| A | THR359 | proton shuttle (general acid/base) |
| A | ARG71 | electrostatic stabiliser |
| A | LYS362 | proton shuttle (general acid/base) |
| A | HIS419 | electron shuttle |
| A | PHE420 | electron shuttle |
| A | HIS421 | electron shuttle |
| A | ASP75 | electrostatic stabiliser |
| A | MET79 | electron shuttle |
| A | PHE103 | electron shuttle |
| A | ASN124 | proton shuttle (general acid/base) |
| A | ASP135 | proton shuttle (general acid/base) |
| A | ASN142 | proton shuttle (general acid/base) |
| A | SER145 | proton shuttle (general acid/base) |






