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2IBZ

Yeast Cytochrome BC1 Complex with Stigmatellin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0005515molecular_functionprotein binding
A0005739cellular_componentmitochondrion
A0005743cellular_componentmitochondrial inner membrane
A0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
A0006627biological_processprotein processing involved in protein targeting to mitochondrion
A0008121molecular_functionquinol-cytochrome-c reductase activity
A0009060biological_processaerobic respiration
A0016020cellular_componentmembrane
A0045275cellular_componentrespiratory chain complex III
A0045333biological_processcellular respiration
A0046872molecular_functionmetal ion binding
A1902600biological_processproton transmembrane transport
B0004222molecular_functionmetalloendopeptidase activity
B0005515molecular_functionprotein binding
B0005739cellular_componentmitochondrion
B0005743cellular_componentmitochondrial inner membrane
B0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
B0006508biological_processproteolysis
B0008121molecular_functionquinol-cytochrome-c reductase activity
B0009060biological_processaerobic respiration
B0016020cellular_componentmembrane
B0030061cellular_componentmitochondrial crista
B0045275cellular_componentrespiratory chain complex III
B0045333biological_processcellular respiration
B0046872molecular_functionmetal ion binding
B1902600biological_processproton transmembrane transport
C0005739cellular_componentmitochondrion
C0005743cellular_componentmitochondrial inner membrane
C0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
C0008121molecular_functionquinol-cytochrome-c reductase activity
C0009055molecular_functionelectron transfer activity
C0009060biological_processaerobic respiration
C0016020cellular_componentmembrane
C0016491molecular_functionoxidoreductase activity
C0022904biological_processrespiratory electron transport chain
C0045275cellular_componentrespiratory chain complex III
C0045333biological_processcellular respiration
C0046872molecular_functionmetal ion binding
C1902600biological_processproton transmembrane transport
D0009055molecular_functionelectron transfer activity
D0020037molecular_functionheme binding
E0008121molecular_functionquinol-cytochrome-c reductase activity
E0016020cellular_componentmembrane
E0051537molecular_function2 iron, 2 sulfur cluster binding
F0005739cellular_componentmitochondrion
F0005743cellular_componentmitochondrial inner membrane
F0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
F0008121molecular_functionquinol-cytochrome-c reductase activity
F0009060biological_processaerobic respiration
F0016020cellular_componentmembrane
F0034551biological_processmitochondrial respiratory chain complex III assembly
F0045275cellular_componentrespiratory chain complex III
F0045333biological_processcellular respiration
F0099617cellular_componentmatrix side of mitochondrial inner membrane
F1902600biological_processproton transmembrane transport
G0005739cellular_componentmitochondrion
G0005743cellular_componentmitochondrial inner membrane
G0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
G0008121molecular_functionquinol-cytochrome-c reductase activity
G0009060biological_processaerobic respiration
G0016020cellular_componentmembrane
G0045275cellular_componentrespiratory chain complex III
G0045333biological_processcellular respiration
G1902600biological_processproton transmembrane transport
H0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
I0005739cellular_componentmitochondrion
I0005743cellular_componentmitochondrial inner membrane
I0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
I0008121molecular_functionquinol-cytochrome-c reductase activity
I0009060biological_processaerobic respiration
I0016020cellular_componentmembrane
I0034551biological_processmitochondrial respiratory chain complex III assembly
I0045275cellular_componentrespiratory chain complex III
I0045333biological_processcellular respiration
I1902600biological_processproton transmembrane transport
X0002250biological_processadaptive immune response
X0002376biological_processimmune system process
X0003823molecular_functionantigen binding
X0005576cellular_componentextracellular region
X0005886cellular_componentplasma membrane
X0016064biological_processimmunoglobulin mediated immune response
X0019814cellular_componentimmunoglobulin complex
Y0002250biological_processadaptive immune response
Y0002376biological_processimmune system process
Y0005576cellular_componentextracellular region
Y0005886cellular_componentplasma membrane
Y0019814cellular_componentimmunoglobulin complex
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC C 401
ChainResidue
CLEU40
CTHR127
CALA128
CGLY131
CVAL135
CHIS183
CTYR184
CPRO187
CHOH526
CHOH538
CGLN43
CGLY47
CILE48
CMET50
CALA51
CARG79
CHIS82
CPHE89

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC C 402
ChainResidue
CTRP30
CGLY33
CLEU36
CHIS96
CLYS99
CSER105
CLEU113
CTRP114
CGLY117
CVAL118
CILE120
CHIS197
CLEU201
CSER206
CSER207
CUQ6506
CHOH508
CHOH527

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC D 3
ChainResidue
DVAL100
DCYS101
DCYS104
DHIS105
DASN169
DPRO175
DARG184
DTYR190
DILE191
DPHE218
DILE223
DALA224
DMET225
DVAL228
DHOH319

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FES E 4
ChainResidue
ECYS159
EHIS161
ELEU162
ECYS178
EHIS181
ESER183

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE UQ6 C 506
ChainResidue
CTYR16
CGLN22
CILE44
CLEU185
CLEU201
CSER206
CMET221
CASP229
CHEC402

site_idAC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SMA C 505
ChainResidue
CILE125
CVAL146
CPRO271
CGLU272
CLEU275
CTYR279
CMET295
CPHE296
CHOH545
EHIS181

Functional Information from PROSITE/UniProt
site_idPS00143
Number of Residues23
DetailsINSULINASE Insulinase family, zinc-binding region signature. Ggsryatkd.GvAHLLNRFnFqNT
ChainResidueDetails
BGLY37-THR59

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17761666","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues81
DetailsTopological domain: {"description":"Mitochondrial matrix","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8031140","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues183
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"10873857","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3CX5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues104
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8031140","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10873857","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EZV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KB9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KYO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1P84","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2IBZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CX5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CXH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PD4","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues200
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9430684","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues117
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues153
DetailsDomain: {"description":"Cytochrome c","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues37
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues9
DetailsCompositional bias: {"description":"Acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"10873857","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EZV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KYO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1KYO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues1
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10873857","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EZV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KYO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues66
DetailsTopological domain: {"description":"Mitochondrial matrix","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues147
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues91
DetailsDomain: {"description":"Rieske","evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues3
DetailsRegion: {"description":"Hinge","evidences":[{"source":"PubMed","id":"30598556","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10873857","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11880631","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18390544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30598554","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EZV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KB9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KYO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1P84","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2IBZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CX5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CXH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PD4","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues10
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues29
DetailsRegion: {"description":"Framework-1"}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues4
DetailsRegion: {"description":"Complementarity-determining-1"}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues13
DetailsRegion: {"description":"Framework-2"}
ChainResidueDetails

site_idSWS_FT_FI26
Number of Residues16
DetailsRegion: {"description":"Complementarity-determining-2"}
ChainResidueDetails

site_idSWS_FT_FI27
Number of Residues31
DetailsRegion: {"description":"Framework-3"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1hr6
ChainResidueDetails
ALYS74

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1hr6
ChainResidueDetails
BASN52

site_idMCSA1
Number of Residues1
DetailsM-CSA 208
ChainResidueDetails
EHIS181covalently attached, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, radical stabiliser
CSER206electrostatic stabiliser, hydrogen bond donor, radical stabiliser
CLYS228electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, radical stabiliser
CASP229electrostatic stabiliser, hydrogen bond acceptor, radical stabiliser
CGLU272hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, radical stabiliser

239149

PDB entries from 2025-07-23

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