Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

9HZL

High resolution cryo-EM structure of human complex III in mitochondria

Functional Information from GO Data
ChainGOidnamespacecontents
A0005739cellular_componentmitochondrion
A0005743cellular_componentmitochondrial inner membrane
A0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
A0021539biological_processsubthalamus development
A0021548biological_processpons development
A0021680biological_processcerebellar Purkinje cell layer development
A0021766biological_processhippocampus development
A0021794biological_processthalamus development
A0021854biological_processhypothalamus development
A0021860biological_processpyramidal neuron development
A0030901biological_processmidbrain development
A0045275cellular_componentrespiratory chain complex III
A0045333biological_processcellular respiration
B0005515molecular_functionprotein binding
B0005739cellular_componentmitochondrion
B0005743cellular_componentmitochondrial inner membrane
B0005759cellular_componentmitochondrial matrix
B0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
B0008121molecular_functionquinol-cytochrome-c reductase activity
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0022904biological_processrespiratory electron transport chain
B0031966cellular_componentmitochondrial membrane
B0034551biological_processmitochondrial respiratory chain complex III assembly
B0045275cellular_componentrespiratory chain complex III
B0051537molecular_function2 iron, 2 sulfur cluster binding
B1902600biological_processproton transmembrane transport
C0005515molecular_functionprotein binding
C0005739cellular_componentmitochondrion
C0005743cellular_componentmitochondrial inner membrane
C0005759cellular_componentmitochondrial matrix
C0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
C0008121molecular_functionquinol-cytochrome-c reductase activity
C0016020cellular_componentmembrane
C0016491molecular_functionoxidoreductase activity
C0022904biological_processrespiratory electron transport chain
C0031966cellular_componentmitochondrial membrane
C0034551biological_processmitochondrial respiratory chain complex III assembly
C0045275cellular_componentrespiratory chain complex III
C0051537molecular_function2 iron, 2 sulfur cluster binding
C1902600biological_processproton transmembrane transport
D0005515molecular_functionprotein binding
D0005739cellular_componentmitochondrion
D0005743cellular_componentmitochondrial inner membrane
D0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
D0008121molecular_functionquinol-cytochrome-c reductase activity
D0045275cellular_componentrespiratory chain complex III
D0045333biological_processcellular respiration
D1902600biological_processproton transmembrane transport
E0005515molecular_functionprotein binding
E0005739cellular_componentmitochondrion
E0005743cellular_componentmitochondrial inner membrane
E0006119biological_processoxidative phosphorylation
E0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
E0008121molecular_functionquinol-cytochrome-c reductase activity
E0009060biological_processaerobic respiration
E0045275cellular_componentrespiratory chain complex III
E0045333biological_processcellular respiration
E0098803cellular_componentrespiratory chain complex
E1902600biological_processproton transmembrane transport
F0005515molecular_functionprotein binding
F0005739cellular_componentmitochondrion
F0005743cellular_componentmitochondrial inner membrane
F0006119biological_processoxidative phosphorylation
F0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
F0009060biological_processaerobic respiration
F0045275cellular_componentrespiratory chain complex III
F0045333biological_processcellular respiration
F0098803cellular_componentrespiratory chain complex
G0005739cellular_componentmitochondrion
G0005743cellular_componentmitochondrial inner membrane
G0006091biological_processgeneration of precursor metabolites and energy
G0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
G0009055molecular_functionelectron transfer activity
G0045275cellular_componentrespiratory chain complex III
G0045333biological_processcellular respiration
H0005515molecular_functionprotein binding
H0005634cellular_componentnucleus
H0005739cellular_componentmitochondrion
H0005743cellular_componentmitochondrial inner membrane
H0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
H0008121molecular_functionquinol-cytochrome-c reductase activity
H0009055molecular_functionelectron transfer activity
H0016020cellular_componentmembrane
H0020037molecular_functionheme binding
H0033762biological_processresponse to glucagon
H0045275cellular_componentrespiratory chain complex III
H0045333biological_processcellular respiration
H1902600biological_processproton transmembrane transport
J0005739cellular_componentmitochondrion
J0005743cellular_componentmitochondrial inner membrane
J0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
J0008121molecular_functionquinol-cytochrome-c reductase activity
J0009055molecular_functionelectron transfer activity
J0016020cellular_componentmembrane
J0016491molecular_functionoxidoreductase activity
J0022904biological_processrespiratory electron transport chain
J0045275cellular_componentrespiratory chain complex III
J0045333biological_processcellular respiration
J1902600biological_processproton transmembrane transport
K0004222molecular_functionmetalloendopeptidase activity
K0005515molecular_functionprotein binding
K0005739cellular_componentmitochondrion
K0005743cellular_componentmitochondrial inner membrane
K0006119biological_processoxidative phosphorylation
K0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
K0006508biological_processproteolysis
K0009060biological_processaerobic respiration
K0045275cellular_componentrespiratory chain complex III
K0045333biological_processcellular respiration
K0046872molecular_functionmetal ion binding
L0005515molecular_functionprotein binding
L0005739cellular_componentmitochondrion
L0005743cellular_componentmitochondrial inner membrane
L0006119biological_processoxidative phosphorylation
L0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
L0008121molecular_functionquinol-cytochrome-c reductase activity
L0009060biological_processaerobic respiration
L0014823biological_processresponse to activity
L0017087cellular_componentmitochondrial processing peptidase complex
L0031625molecular_functionubiquitin protein ligase binding
L0043279biological_processresponse to alkaloid
L0044877molecular_functionprotein-containing complex binding
L0045275cellular_componentrespiratory chain complex III
L0045333biological_processcellular respiration
L0046872molecular_functionmetal ion binding
L0098803cellular_componentrespiratory chain complex
L1902600biological_processproton transmembrane transport
N0005739cellular_componentmitochondrion
N0005743cellular_componentmitochondrial inner membrane
N0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
N0021539biological_processsubthalamus development
N0021548biological_processpons development
N0021680biological_processcerebellar Purkinje cell layer development
N0021766biological_processhippocampus development
N0021794biological_processthalamus development
N0021854biological_processhypothalamus development
N0021860biological_processpyramidal neuron development
N0030901biological_processmidbrain development
N0045275cellular_componentrespiratory chain complex III
N0045333biological_processcellular respiration
O0005515molecular_functionprotein binding
O0005739cellular_componentmitochondrion
O0005743cellular_componentmitochondrial inner membrane
O0005759cellular_componentmitochondrial matrix
O0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
O0008121molecular_functionquinol-cytochrome-c reductase activity
O0016020cellular_componentmembrane
O0016491molecular_functionoxidoreductase activity
O0022904biological_processrespiratory electron transport chain
O0031966cellular_componentmitochondrial membrane
O0034551biological_processmitochondrial respiratory chain complex III assembly
O0045275cellular_componentrespiratory chain complex III
O0051537molecular_function2 iron, 2 sulfur cluster binding
O1902600biological_processproton transmembrane transport
P0005515molecular_functionprotein binding
P0005739cellular_componentmitochondrion
P0005743cellular_componentmitochondrial inner membrane
P0005759cellular_componentmitochondrial matrix
P0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
P0008121molecular_functionquinol-cytochrome-c reductase activity
P0016020cellular_componentmembrane
P0016491molecular_functionoxidoreductase activity
P0022904biological_processrespiratory electron transport chain
P0031966cellular_componentmitochondrial membrane
P0034551biological_processmitochondrial respiratory chain complex III assembly
P0045275cellular_componentrespiratory chain complex III
P0051537molecular_function2 iron, 2 sulfur cluster binding
P1902600biological_processproton transmembrane transport
Q0005515molecular_functionprotein binding
Q0005739cellular_componentmitochondrion
Q0005743cellular_componentmitochondrial inner membrane
Q0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
Q0008121molecular_functionquinol-cytochrome-c reductase activity
Q0045275cellular_componentrespiratory chain complex III
Q0045333biological_processcellular respiration
Q1902600biological_processproton transmembrane transport
R0005515molecular_functionprotein binding
R0005739cellular_componentmitochondrion
R0005743cellular_componentmitochondrial inner membrane
R0006119biological_processoxidative phosphorylation
R0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
R0008121molecular_functionquinol-cytochrome-c reductase activity
R0009060biological_processaerobic respiration
R0045275cellular_componentrespiratory chain complex III
R0045333biological_processcellular respiration
R0098803cellular_componentrespiratory chain complex
R1902600biological_processproton transmembrane transport
S0005515molecular_functionprotein binding
S0005739cellular_componentmitochondrion
S0005743cellular_componentmitochondrial inner membrane
S0006119biological_processoxidative phosphorylation
S0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
S0009060biological_processaerobic respiration
S0045275cellular_componentrespiratory chain complex III
S0045333biological_processcellular respiration
S0098803cellular_componentrespiratory chain complex
T0005739cellular_componentmitochondrion
T0005743cellular_componentmitochondrial inner membrane
T0006091biological_processgeneration of precursor metabolites and energy
T0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
T0009055molecular_functionelectron transfer activity
T0045275cellular_componentrespiratory chain complex III
T0045333biological_processcellular respiration
U0005515molecular_functionprotein binding
U0005634cellular_componentnucleus
U0005739cellular_componentmitochondrion
U0005743cellular_componentmitochondrial inner membrane
U0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
U0008121molecular_functionquinol-cytochrome-c reductase activity
U0009055molecular_functionelectron transfer activity
U0016020cellular_componentmembrane
U0020037molecular_functionheme binding
U0033762biological_processresponse to glucagon
U0045275cellular_componentrespiratory chain complex III
U0045333biological_processcellular respiration
U1902600biological_processproton transmembrane transport
V0005739cellular_componentmitochondrion
V0005743cellular_componentmitochondrial inner membrane
V0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
V0008121molecular_functionquinol-cytochrome-c reductase activity
V0009055molecular_functionelectron transfer activity
V0016020cellular_componentmembrane
V0016491molecular_functionoxidoreductase activity
V0022904biological_processrespiratory electron transport chain
V0045275cellular_componentrespiratory chain complex III
V0045333biological_processcellular respiration
V1902600biological_processproton transmembrane transport
W0004222molecular_functionmetalloendopeptidase activity
W0005515molecular_functionprotein binding
W0005739cellular_componentmitochondrion
W0005743cellular_componentmitochondrial inner membrane
W0006119biological_processoxidative phosphorylation
W0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
W0006508biological_processproteolysis
W0009060biological_processaerobic respiration
W0045275cellular_componentrespiratory chain complex III
W0045333biological_processcellular respiration
W0046872molecular_functionmetal ion binding
Y0005515molecular_functionprotein binding
Y0005739cellular_componentmitochondrion
Y0005743cellular_componentmitochondrial inner membrane
Y0006119biological_processoxidative phosphorylation
Y0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
Y0008121molecular_functionquinol-cytochrome-c reductase activity
Y0009060biological_processaerobic respiration
Y0014823biological_processresponse to activity
Y0017087cellular_componentmitochondrial processing peptidase complex
Y0031625molecular_functionubiquitin protein ligase binding
Y0043279biological_processresponse to alkaloid
Y0044877molecular_functionprotein-containing complex binding
Y0045275cellular_componentrespiratory chain complex III
Y0045333biological_processcellular respiration
Y0046872molecular_functionmetal ion binding
Y0098803cellular_componentrespiratory chain complex
Y1902600biological_processproton transmembrane transport
Functional Information from PROSITE/UniProt
site_idPS00143
Number of Residues24
DetailsINSULINASE Insulinase family, zinc-binding region signature. GsryedfsnlGtTHLLRLTsSlTT
ChainResidueDetails
KGLY68-THR91

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues178
DetailsTopological domain: {"description":"Mitochondrial matrix","evidences":[{"source":"PubMed","id":"28844695","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues288
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"28844695","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues581
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"28844695","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q9CQ69","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P13272","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues85
DetailsDomain: {"description":"Rieske","evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P99028","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q9D855","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q9D855","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues202
DetailsDomain: {"description":"Cytochrome c","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues4
DetailsBinding site: {"description":"covalent","evidences":[{"source":"UniProtKB","id":"P00125","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"28844695","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5XTE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5XTH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"28844695","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5XTH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues322
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"UniProtKB","id":"P00157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues8
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"UniProtKB","id":"P00157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues6
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q9DB77","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q9CZ13","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q9CZ13","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q68FY0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

251174

PDB entries from 2026-03-25

PDB statisticsPDBj update infoContact PDBjnumon