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6WTI

The Cryo-EM structure of the ubiquinol oxidase from Escherichia coli

Functional Information from GO Data
ChainGOidnamespacecontents
A0004129molecular_functioncytochrome-c oxidase activity
A0005507molecular_functioncopper ion binding
A0005515molecular_functionprotein binding
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0009055molecular_functionelectron transfer activity
A0009060biological_processaerobic respiration
A0009319cellular_componentcytochrome o ubiquinol oxidase complex
A0009486molecular_functioncytochrome bo3 ubiquinol oxidase activity
A0015078molecular_functionproton transmembrane transporter activity
A0015453molecular_functionoxidoreduction-driven active transmembrane transporter activity
A0015990biological_processelectron transport coupled proton transport
A0016020cellular_componentmembrane
A0016682molecular_functionoxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
A0019646biological_processaerobic electron transport chain
A0020037molecular_functionheme binding
A0022904biological_processrespiratory electron transport chain
A0046872molecular_functionmetal ion binding
A0048039molecular_functionubiquinone binding
A1902600biological_processproton transmembrane transport
B0004129molecular_functioncytochrome-c oxidase activity
B0005507molecular_functioncopper ion binding
B0009486molecular_functioncytochrome bo3 ubiquinol oxidase activity
B0016020cellular_componentmembrane
B0016682molecular_functionoxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
B0022900biological_processelectron transport chain
C0004129molecular_functioncytochrome-c oxidase activity
C0005515molecular_functionprotein binding
C0005886cellular_componentplasma membrane
C0009055molecular_functionelectron transfer activity
C0009060biological_processaerobic respiration
C0009319cellular_componentcytochrome o ubiquinol oxidase complex
C0009486molecular_functioncytochrome bo3 ubiquinol oxidase activity
C0015078molecular_functionproton transmembrane transporter activity
C0015453molecular_functionoxidoreduction-driven active transmembrane transporter activity
C0015990biological_processelectron transport coupled proton transport
C0016020cellular_componentmembrane
C0016491molecular_functionoxidoreductase activity
C0019646biological_processaerobic electron transport chain
C0022904biological_processrespiratory electron transport chain
D0005515molecular_functionprotein binding
D0005886cellular_componentplasma membrane
D0009055molecular_functionelectron transfer activity
D0009060biological_processaerobic respiration
D0009319cellular_componentcytochrome o ubiquinol oxidase complex
D0009486molecular_functioncytochrome bo3 ubiquinol oxidase activity
D0015078molecular_functionproton transmembrane transporter activity
D0015453molecular_functionoxidoreduction-driven active transmembrane transporter activity
D0015990biological_processelectron transport coupled proton transport
D0016020cellular_componentmembrane
D0016491molecular_functionoxidoreductase activity
D0019646biological_processaerobic electron transport chain
Functional Information from PDB Data
site_idAC1
Number of Residues15
Detailsbinding site for residue HEM A 1001
ChainResidue
APHE73
AHIS421
AILE424
AVAL429
APHE468
AARG481
AARG482
AMET79
APHE103
AHIS106
AGLY107
AMET110
AILE111
ATRP170
AILE417

site_idAC2
Number of Residues26
Detailsbinding site for residue HEO A 1002
ChainResidue
ATRP170
AVAL287
ATYR288
AILE291
AHIS333
AHIS334
AILE355
AALA356
ATHR359
AGLY395
AGLY398
AVAL399
ALEU401
AALA402
AASP407
AHIS411
ALEU416
AHIS419
APHE420
AVAL423
AILE424
AARG481
BMET51
BVAL54
BVAL55
BILE100

site_idAC3
Number of Residues3
Detailsbinding site for residue CU A 1003
ChainResidue
AHIS284
AHIS333
AHIS334

site_idAC4
Number of Residues13
Detailsbinding site for residue UQ8 A 1004
ChainResidue
AILE16
AVAL17
ATHR20
ALEU70
AARG71
AALA74
AASP75
AMET78
AHIS98
AGLN101
AILE102
AASN157
ALEU160

site_idAC5
Number of Residues13
Detailsbinding site for residue 3PE A 1005
ChainResidue
APHE138
APRO139
APHE140
ALEU141
AGLN195
APHE602
ATRP625
ALYS628
CLYS25
CGLY28
CPHE29
CTYR32
C3PE401

site_idAC6
Number of Residues3
Detailsbinding site for residue 3PE A 1006
ChainResidue
AALA251
ATRP611
A3PE1007

site_idAC7
Number of Residues1
Detailsbinding site for residue 3PE A 1007
ChainResidue
A3PE1006

site_idAC8
Number of Residues9
Detailsbinding site for residue U9V A 1008
ChainResidue
ATRP48
AILE62
AILE63
AVAL150
ATRP439
ATRP440
APHE444
AARG523
A3PE1009

site_idAC9
Number of Residues4
Detailsbinding site for residue 3PE A 1009
ChainResidue
ATYR517
AARG521
AARG523
AU9V1008

site_idAD1
Number of Residues4
Detailsbinding site for residue 3PE B 401
ChainResidue
AILE350
AILE354
BILE101
BTRP108

site_idAD2
Number of Residues11
Detailsbinding site for residue 3PE C 401
ChainResidue
CSER152
CTRP156
CARG176
AVAL248
AALA251
APHE618
ATRP625
A3PE1005
CLYS25
CTYR32
CHIS149

site_idAD3
Number of Residues6
Detailsbinding site for residue 3PE C 402
ChainResidue
CPHE120
CHIS121
CILE124
CALA141
CGLY144
CTHR145

site_idAD4
Number of Residues6
Detailsbinding site for residue 3PE D 201
ChainResidue
CPHE44
CALA48
CMET201
DVAL85
DILE88
DVAL93

site_idAD5
Number of Residues4
Detailsbinding site for residue 3PE D 202
ChainResidue
AMET222
ATRP230
AILE240
DPHE83

Functional Information from PROSITE/UniProt
site_idPS00077
Number of Residues55
DetailsCOX1_CUB Heme-copper oxidase catalytic subunit, copper B binding region signature. WAWGHPeVyililpvfgvfseiaatfsrkrlfgytslvwatvcitvlsfivwl..HH
ChainResidueDetails
ATRP280-HIS334

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues92
DetailsTopological domain: {"description":"Periplasmic"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=I"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues105
DetailsTopological domain: {"description":"Cytoplasmic"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues27
DetailsTransmembrane: {"description":"Helical; Name=II"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues36
DetailsTransmembrane: {"description":"Helical; Name=III"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues23
DetailsTransmembrane: {"description":"Helical; Name=IV"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues30
DetailsTransmembrane: {"description":"Helical; Name=V"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues35
DetailsTransmembrane: {"description":"Helical; Name=VI"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues36
DetailsTransmembrane: {"description":"Helical; Name=VII"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues14
DetailsTransmembrane: {"description":"Helical; Name=VIII"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues28
DetailsTransmembrane: {"description":"Helical; Name=IX"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues31
DetailsTransmembrane: {"description":"Helical; Name=X"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues32
DetailsTransmembrane: {"description":"Helical; Name=XI"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues28
DetailsTransmembrane: {"description":"Helical; Name=XII"}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues31
DetailsTransmembrane: {"description":"Helical; Name=XIII"}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=XIV"}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=XV"}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues1
DetailsBinding 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"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7CUW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues1
DetailsBinding 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"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues3
DetailsBinding 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"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11017202","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FFT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues5
DetailsBinding 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"}]}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"33408407","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6WTI","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues2
DetailsCross-link: {"description":"1'-histidyl-3'-tyrosine (His-Tyr)","evidences":[{"source":"PubMed","id":"34417297","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI28
Number of Residues79
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI29
Number of Residues179
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI30
Number of Residues75
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI31
Number of Residues1
DetailsLipidation: {"description":"S-diacylglycerol cysteine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00303","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues23
DetailsM-CSA 714
ChainResidueDetails
ATYR61proton shuttle (general acid/base)
ATHR149proton shuttle (general acid/base)
ATHR201proton shuttle (general acid/base)
ATHR204proton shuttle (general acid/base)
ATHR211proton shuttle (general acid/base)
AHIS284metal ligand, modifies pKa
AGLU286proton shuttle (general acid/base)
ATYR288electron shuttle, proton shuttle (general acid/base)
ASER299proton shuttle (general acid/base)
ASER315proton shuttle (general acid/base)
ATHR359proton shuttle (general acid/base)
AARG71electrostatic stabiliser
ALYS362proton shuttle (general acid/base)
AHIS419electron shuttle
APHE420electron shuttle
AHIS421electron shuttle
AASP75electrostatic stabiliser
AMET79electron shuttle
APHE103electron shuttle
AASN124proton shuttle (general acid/base)
AASP135proton shuttle (general acid/base)
AASN142proton shuttle (general acid/base)
ASER145proton shuttle (general acid/base)

246905

PDB entries from 2025-12-31

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