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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

7QHM

Cytochrome bcc-aa3 supercomplex (respiratory supercomplex III2/IV2) from Corynebacterium glutamicum (stigmatellin and azide bound)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005886cellular_componentplasma membrane
A0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
A0051537molecular_function2 iron, 2 sulfur cluster binding
B0005886cellular_componentplasma membrane
B0008121molecular_functionquinol-cytochrome-c reductase activity
B0009055molecular_functionelectron transfer activity
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0022904biological_processrespiratory electron transport chain
B1902600biological_processproton transmembrane transport
C0005506molecular_functioniron ion binding
C0005886cellular_componentplasma membrane
C0008121molecular_functionquinol-cytochrome-c reductase activity
C0009055molecular_functionelectron transfer activity
C0016020cellular_componentmembrane
C0020037molecular_functionheme binding
C1902600biological_processproton transmembrane transport
D0004129molecular_functioncytochrome-c oxidase activity
D0005886cellular_componentplasma membrane
D0006119biological_processoxidative phosphorylation
D0009060biological_processaerobic respiration
D0015990biological_processelectron transport coupled proton transport
D0016020cellular_componentmembrane
D0020037molecular_functionheme binding
D0022904biological_processrespiratory electron transport chain
E0004129molecular_functioncytochrome-c oxidase activity
E0005507molecular_functioncopper ion binding
E0005886cellular_componentplasma membrane
E0016020cellular_componentmembrane
E0022900biological_processelectron transport chain
E0042773biological_processATP synthesis coupled electron transport
E1902600biological_processproton transmembrane transport
F0004129molecular_functioncytochrome-c oxidase activity
F0005886cellular_componentplasma membrane
F0009055molecular_functionelectron transfer activity
F0009060biological_processaerobic respiration
F0016020cellular_componentmembrane
F0019646biological_processaerobic electron transport chain
F0022904biological_processrespiratory electron transport chain
F1902600biological_processproton transmembrane transport
G0004129molecular_functioncytochrome-c oxidase activity
G0005886cellular_componentplasma membrane
G0016020cellular_componentmembrane
G0022900biological_processelectron transport chain
G1902600biological_processproton transmembrane transport
I0005886cellular_componentplasma membrane
M0003677molecular_functionDNA binding
M0005886cellular_componentplasma membrane
M0006952biological_processdefense response
N0004497molecular_functionmonooxygenase activity
N0005886cellular_componentplasma membrane
N0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
N0051537molecular_function2 iron, 2 sulfur cluster binding
O0005886cellular_componentplasma membrane
O0008121molecular_functionquinol-cytochrome-c reductase activity
O0009055molecular_functionelectron transfer activity
O0016020cellular_componentmembrane
O0016491molecular_functionoxidoreductase activity
O0022904biological_processrespiratory electron transport chain
O1902600biological_processproton transmembrane transport
P0005506molecular_functioniron ion binding
P0005886cellular_componentplasma membrane
P0008121molecular_functionquinol-cytochrome-c reductase activity
P0009055molecular_functionelectron transfer activity
P0016020cellular_componentmembrane
P0020037molecular_functionheme binding
P1902600biological_processproton transmembrane transport
Q0004129molecular_functioncytochrome-c oxidase activity
Q0005886cellular_componentplasma membrane
Q0006119biological_processoxidative phosphorylation
Q0009060biological_processaerobic respiration
Q0015990biological_processelectron transport coupled proton transport
Q0016020cellular_componentmembrane
Q0020037molecular_functionheme binding
Q0022904biological_processrespiratory electron transport chain
R0004129molecular_functioncytochrome-c oxidase activity
R0005507molecular_functioncopper ion binding
R0005886cellular_componentplasma membrane
R0016020cellular_componentmembrane
R0022900biological_processelectron transport chain
R0042773biological_processATP synthesis coupled electron transport
R1902600biological_processproton transmembrane transport
S0004129molecular_functioncytochrome-c oxidase activity
S0005886cellular_componentplasma membrane
S0009055molecular_functionelectron transfer activity
S0009060biological_processaerobic respiration
S0016020cellular_componentmembrane
S0019646biological_processaerobic electron transport chain
S0022904biological_processrespiratory electron transport chain
S1902600biological_processproton transmembrane transport
T0004129molecular_functioncytochrome-c oxidase activity
T0005886cellular_componentplasma membrane
T0016020cellular_componentmembrane
T0022900biological_processelectron transport chain
T1902600biological_processproton transmembrane transport
V0005886cellular_componentplasma membrane
Z0003677molecular_functionDNA binding
Z0005886cellular_componentplasma membrane
Z0006952biological_processdefense response
Functional Information from PROSITE/UniProt
site_idPS00077
Number of Residues55
DetailsCOX1_CUB Heme-copper oxidase catalytic subunit, copper B binding region signature. WFFGHPeVyvlalpffgivseiipvfsrkpmfgyvglifatlsigalsmavwa..HH
ChainResidueDetails
DTRP261-HIS315
site_idPS00078
Number of Residues55
DetailsCOX2 CO II and nitrous oxide reductase dinuclear copper centers signature. VaHsfwvpeflfkrdayahpeanksqrvfqieeiteegafvgrCaemCgtyHamM
ChainResidueDetails
EVAL242-MET296
site_idPS00430
Number of Residues69
DetailsTONB_DEPENDENT_REC_1 TonB-dependent receptor (TBDR) proteins signature 1. csagqitqtssqvaavdgnqagsandpvlvrdvtvhlttdgeagvkftainqdtshtshtl......................................................ESVTVDGE
ChainResidueDetails
HCYS32-GLU100
site_idPS00687
Number of Residues8
DetailsALDEHYDE_DEHYDR_GLU Aldehyde dehydrogenases glutamic acid active site. FEISGLDP
ChainResidueDetails
MPHE86-PRO93
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1160
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails
site_idSWS_FT_FI2
Number of Residues194
DetailsDomain: {"description":"Rieske","evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails
site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11382224","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI4
Number of Residues360
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PROSITE-ProRule","id":"PRU00968","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails
site_idSWS_FT_FI5
Number of Residues8
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00968","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11382224","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI6
Number of Residues160
DetailsDomain: {"description":"Cytochrome c 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails
site_idSWS_FT_FI7
Number of Residues156
DetailsDomain: {"description":"Cytochrome c 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails
site_idSWS_FT_FI8
Number of Residues8
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"11382224","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI9
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"11382224","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI10
Number of Residues6
DetailsBinding site: {"description":"axial binding residue","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI11
Number of Residues8
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails
site_idSWS_FT_FI12
Number of Residues4
DetailsCross-link: {"description":"1'-histidyl-3'-tyrosine (His-Tyr)","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI13
Number of Residues118
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails
site_idSWS_FT_FI14
Number of Residues30
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails
site_idSWS_FT_FI15
Number of Residues12
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI16
Number of Residues2
DetailsSite: {"description":"Not N-palmitoylated","evidences":[{"source":"PubMed","id":"11577165","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI17
Number of Residues2
DetailsLipidation: {"description":"S-diacylglycerol cysteine","evidences":[{"source":"PubMed","id":"11577165","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI19
Number of Residues2
DetailsLipidation: {"description":"S-diacylglycerol cysteine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00303","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2026-04-08

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