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6JY4

Monomeric Form of Bovine Heart Cytochrome c Oxidase in the Fully Reduced State

Functional Information from GO Data
ChainGOidnamespacecontents
A0004129molecular_functioncytochrome-c oxidase activity
A0005743cellular_componentmitochondrial inner membrane
A0006119biological_processoxidative phosphorylation
A0009060biological_processaerobic respiration
A0016020cellular_componentmembrane
A0020037molecular_functionheme binding
A0022904biological_processrespiratory electron transport chain
A0045277cellular_componentrespiratory chain complex IV
A0046872molecular_functionmetal ion binding
A1902600biological_processproton transmembrane transport
B0004129molecular_functioncytochrome-c oxidase activity
B0005507molecular_functioncopper ion binding
B0005739cellular_componentmitochondrion
B0005743cellular_componentmitochondrial inner membrane
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0017004biological_processcytochrome complex assembly
B0022900biological_processelectron transport chain
B0022904biological_processrespiratory electron transport chain
B0031966cellular_componentmitochondrial membrane
B0042773biological_processATP synthesis coupled electron transport
B0045277cellular_componentrespiratory chain complex IV
B0046872molecular_functionmetal ion binding
B1902600biological_processproton transmembrane transport
C0004129molecular_functioncytochrome-c oxidase activity
C0005739cellular_componentmitochondrion
C0005743cellular_componentmitochondrial inner membrane
C0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
C0008535biological_processrespiratory chain complex IV assembly
C0009055molecular_functionelectron transfer activity
C0016020cellular_componentmembrane
C0019646biological_processaerobic electron transport chain
C0022904biological_processrespiratory electron transport chain
C0045277cellular_componentrespiratory chain complex IV
C1902600biological_processproton transmembrane transport
D0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
D0045277cellular_componentrespiratory chain complex IV
E0005743cellular_componentmitochondrial inner membrane
E0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
E0045277cellular_componentrespiratory chain complex IV
F0005740cellular_componentmitochondrial envelope
F0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
F0045277cellular_componentrespiratory chain complex IV
G0005743cellular_componentmitochondrial inner membrane
H0005739cellular_componentmitochondrion
H0005743cellular_componentmitochondrial inner membrane
H0006119biological_processoxidative phosphorylation
H0016020cellular_componentmembrane
H0045277cellular_componentrespiratory chain complex IV
I0005743cellular_componentmitochondrial inner membrane
I0006119biological_processoxidative phosphorylation
I0016020cellular_componentmembrane
I0045277cellular_componentrespiratory chain complex IV
J0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
J0045277cellular_componentrespiratory chain complex IV
K0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
L0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
L0045277cellular_componentrespiratory chain complex IV
M0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
M0045277cellular_componentrespiratory chain complex IV
Functional Information from PDB Data
site_idAC1
Number of Residues28
Detailsbinding site for residue HEA A 601
ChainResidue
ATHR31
AVAL70
AILE73
AGLY125
ATRP126
ATYR371
APHE377
AHIS378
ASER382
APHE393
AMET417
ASER34
APHE425
AGLN428
AARG438
AARG439
ATYR440
AVAL465
AHOH711
AHOH713
AHOH738
AILE37
AARG38
ATYR54
AVAL58
AHIS61
AALA62
AMET65

site_idAC2
Number of Residues28
Detailsbinding site for residue HEA A 602
ChainResidue
ATRP126
ATRP236
AVAL243
ATYR244
AILE247
AHIS290
AHIS291
ATHR309
AILE312
ATHR316
AGLY317
AGLY352
AGLY355
ALEU358
AALA359
AASP364
AHIS368
AVAL373
AHIS376
APHE377
AVAL380
ALEU381
AARG438
AHOH725
AHOH729
AHOH787
AHOH816
BILE34

site_idAC3
Number of Residues3
Detailsbinding site for residue CU A 603
ChainResidue
AHIS240
AHIS290
AHIS291

site_idAC4
Number of Residues6
Detailsbinding site for residue MG A 604
ChainResidue
AHIS368
AASP369
BGLU198
BHOH416
BHOH428
BHOH491

site_idAC5
Number of Residues4
Detailsbinding site for residue NA A 605
ChainResidue
AGLU40
AGLY45
ASER441
AHOH793

site_idAC6
Number of Residues8
Detailsbinding site for residue CQX A 606
ChainResidue
APHE321
AHIS328
AHOH701
AHOH843
BHIS52
BMET56
BGLU60
BLEU68

site_idAC7
Number of Residues20
Detailsbinding site for residue PGV A 607
ChainResidue
APHE94
APRO95
AARG96
AMET97
APHE148
AHIS151
AILE158
AHOH764
CHIS9
CALA24
CTHR28
CASN50
CTRP57
CTRP58
CGLU64
CHIS71
CGLY82
CHOH441
GPEK101
GCQX102

site_idAC8
Number of Residues9
Detailsbinding site for residue CQX A 608
ChainResidue
ATRP409
ACQX609
AHOH737
DPHE87
KASP8
KPHE9
KHIS10
AASN406
ATHR408

site_idAC9
Number of Residues11
Detailsbinding site for residue CQX A 609
ChainResidue
ASER478
AARG480
ACQX608
DPHE87
KPHE9
MALA6
MPRO9
MTHR10
MGLN15
MLEU19
MHOH104

site_idAD1
Number of Residues13
Detailsbinding site for residue CDL B 301
ChainResidue
ALEU433
BMET5
BLEU7
BGLY8
BLEU28
BPHE32
BHOH410
BHOH479
BHOH494
BHOH500
IPHE31
ITYR35
IARG43

site_idAD2
Number of Residues6
Detailsbinding site for residue CUA B 302
ChainResidue
BHIS161
BCYS196
BGLU198
BCYS200
BHIS204
BMET207

site_idAD3
Number of Residues4
Detailsbinding site for residue CQX B 303
ChainResidue
BHIS26
BMET29
GPHE21
ILYS36

site_idAD4
Number of Residues7
Detailsbinding site for residue CHD C 301
ChainResidue
AHIS233
AASP300
ATHR301
ATYR304
AHOH858
CTRP99
CHIS103

site_idAD5
Number of Residues3
Detailsbinding site for residue NA C 302
ChainResidue
CHIS148
CHIS232
CGLU236

site_idAD6
Number of Residues18
Detailsbinding site for residue PGV C 303
ChainResidue
CTRP58
CVAL61
CSER65
CTHR66
CILE210
CPHE214
CARG221
CHIS226
CPHE227
CTHR228
CHIS231
CHIS232
CPHE233
CGLY234
CHOH406
CHOH424
CHOH448
FHOH210

site_idAD7
Number of Residues13
Detailsbinding site for residue CDL C 304
ChainResidue
CMET51
CTYR55
CARG59
CILE62
CARG63
CTHR213
CVAL217
CARG221
CLYS224
CHIS226
CHOH411
JLYS8
JPHE12

site_idAD8
Number of Residues9
Detailsbinding site for residue CQX C 305
ChainResidue
CGLN177
CTYR182
CGLY205
CCQX306
CHOH410
GPHE69
GPHE70
GHIS71
GCQX102

site_idAD9
Number of Residues6
Detailsbinding site for residue CQX C 306
ChainResidue
CALA178
CSER179
CTYR182
CCQX305
CHOH403
GPHE70

site_idAE1
Number of Residues4
Detailsbinding site for residue ZN F 101
ChainResidue
FCYS60
FCYS62
FCYS82
FCYS85

site_idAE2
Number of Residues18
Detailsbinding site for residue PEK G 101
ChainResidue
AHIS151
APGV607
CTRP34
CTYR181
CTYR182
CALA184
CPHE186
CTHR187
CILE188
CPHE198
CGLY202
GTHR68
GPHE69
GPHE70
GHIS71
GASN76
GHOH205
GHOH226

site_idAE3
Number of Residues7
Detailsbinding site for residue CQX G 102
ChainResidue
APGV607
CTRP34
CCQX305
GTRP62
GGLY63
GPHE69
GHOH212

site_idAE4
Number of Residues12
Detailsbinding site for residue CDL L 101
ChainResidue
APHE2
AILE3
ATHR17
ALEU113
APHE400
LILE11
LPRO12
LPHE13
LSER14
LARG20
LPHE28
LPHE29

Functional Information from PROSITE/UniProt
site_idPS00077
Number of Residues56
DetailsCOX1_CUB Heme-copper oxidase catalytic subunit, copper B binding region signature. WFFGHPeVyililpgfgmishivtyysgkkepfgymgmvwammsigflgfivwa.HH
ChainResidueDetails
ATRP236-HIS291

site_idPS00078
Number of Residues49
DetailsCOX2 CO II and nitrous oxide reductase dinuclear copper centers signature. VlHswavpslglktdaipgrlnqttlmssrpglyygq......CseiCgsnHsfM
ChainResidueDetails
BVAL159-MET207

site_idPS00848
Number of Residues23
DetailsCOX5B_1 Cytochrome c oxidase subunit Vb, zinc binding region signature. VIWfwlhkgeaqrCpsCGthYKL
ChainResidueDetails
FVAL69-LEU91

site_idPS01329
Number of Residues18
DetailsCOX6A Cytochrome c oxidase subunit VIa signature. IRtKpFsWGDGnHTfFhN
ChainResidueDetails
GILE55-ASN72

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues76
DetailsTransmembrane: {"description":"Helical; Name=I","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8638158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues87
DetailsTransmembrane: {"description":"Helical; Name=II","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues30
DetailsTopological domain: {"description":"Mitochondrial matrix","evidences":[{"source":"PubMed","id":"2165784","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues54
DetailsTransmembrane: {"description":"Helical; Name=III","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues47
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"2165784","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues52
DetailsTransmembrane: {"description":"Helical; Name=IV","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues56
DetailsTransmembrane: {"description":"Helical; Name=V","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues65
DetailsTransmembrane: {"description":"Helical; Name=VI","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues39
DetailsTransmembrane: {"description":"Helical; Name=VII","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues28
DetailsTransmembrane: {"description":"Helical; Name=VIII","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues69
DetailsTopological domain: {"description":"Mitochondrial matrix","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=IX","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues57
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues29
DetailsTransmembrane: {"description":"Helical; Name=X","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues26
DetailsTransmembrane: {"description":"Helical; Name=XI","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues31
DetailsTransmembrane: {"description":"Helical; Name=XII","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23537388","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues3
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"20385840","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8638158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues11
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20385840","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8638158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues1
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues2
DetailsCross-link: {"description":"1'-histidyl-3'-tyrosine (His-Tyr)","evidences":[{"source":"PubMed","id":"10338009","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P00406","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues192
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P13073","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI26
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P10888","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI27
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P19783","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI28
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P19783","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI29
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P12787","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI30
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P20674","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI31
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20385840","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27605664","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8638158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI32
Number of Residues3
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P19536","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI33
Number of Residues46
DetailsDomain: {"description":"CHCH","evidences":[{"source":"PROSITE-ProRule","id":"PRU01150","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI34
Number of Residues10
DetailsMotif: {"description":"Cx9C motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01150","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI35
Number of Residues11
DetailsMotif: {"description":"Cx10C motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01150","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI36
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56391","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI37
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P17665","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues14
DetailsM-CSA 124
ChainResidueDetails
AMET65metal ligand
ATHR294metal ligand
AVAL295metal ligand, proton acceptor, proton donor
AVAL320proton acceptor, proton donor, proton relay
ATRP323proton acceptor, proton donor, proton relay
AASP442proton acceptor, proton donor, proton relay
APRO95proton acceptor, proton donor, proton relay
APRO130proton acceptor, proton donor, proton relay
AGLY160proton acceptor, proton donor, proton relay
AALA161proton acceptor, proton donor, proton relay
ATYR244covalently attached, electrostatic stabiliser, metal ligand, radical stabiliser
ALEU246proton acceptor, proton donor, proton relay
ALEU248covalently attached, hydrogen radical donor, proton acceptor, proton donor, proton relay, single electron acceptor
ATHR259proton acceptor, proton donor, proton relay

249697

PDB entries from 2026-02-25

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