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253,780
Structures from the PDB archive
1,062,058
Computed Structure Models (CSM)
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8IUJ
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pdb_00008iuj
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FASTA Sequence
mmCIF Format
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Data API
Cryo-EM structure of Euglena gracilis super-complex III2+IV2, composite
External Resource: Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Gene Ontology: Gene Product Annotation
Gene Ontology Database Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
BA [auth 4E]
,
O [auth 4e]
COXEG5
-
-
-
AA [auth 4C]
,
N [auth 4c]
COXEG3
-
-
-
M [auth 4a]
,
Z [auth 4A]
COXEG1
-
-
-
F [auth QK]
,
L [auth Qk]
Ubiquinol-cytochrome-C reductase complex subunit IX, mitochondrial
-
-
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
E [auth QJ]
,
K [auth Qj]
UQCR10
-
-
-
D [auth QH]
,
J [auth Qh]
UQCRQ
-
-
-
BB [auth 7a]
,
HB [auth 7A]
COX7a
-
-
-
C [auth QD]
,
I [auth Qd]
Cytochrome c1, heme protein
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
active transmembrane transporter activity
quinol-cytochrome-c reductase activity
monoatomic ion transmembrane transporter activity
transporter activity
transmembrane transporter activity
binding
tetrapyrrole binding
heme binding
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
active transmembrane transporter activity
quinol-cytochrome-c reductase activity
monoatomic ion transmembrane transporter activity
transporter activity
transmembrane transporter activity
binding
tetrapyrrole binding
heme binding
cation binding
ion binding
metal ion binding
small molecule binding
Less
aerobic respiration
cellular respiration
aerobic electron transport chain
oxidative phosphorylation
energy derivation by oxidation of organic compounds
ATP synthesis coupled electron transport
electron transport chain
generation of precursor metabolites and energy
mitochondrial electron transport, ubiquinol to cytochrome c
respiratory electron transport chain
metabolic process
cellular process
mitochondrial ATP synthesis coupled electron transport
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
AB [auth 4I]
,
FB [auth 4i]
COXEG9
-
-
-
EB [auth 4g]
,
ZA [auth 4G]
COXEG7
-
-
-
DB [auth 4f]
,
YA [auth 4F]
COXEG6
-
-
-
CB [auth 4d]
,
XA [auth 4D]
COXEG4
-
-
-
GB [auth 5b]
,
WA [auth 5B]
COX5b-2
-
-
-
RA [auth Qb]
,
VA [auth QB]
Ubiquinol-cytochrome-c reductase complex core protein 2, mitochondrial
cation binding
ion binding
binding
metal ion binding
small molecule binding
-
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
QA [auth QI]
,
UA [auth Qi]
UQCR9
-
-
-
PA [auth QG]
,
TA [auth Qg]
UQCRB
-
-
-
OA [auth QF]
,
SA [auth Qf]
UQCRH
-
-
-
MA [auth QE]
,
NA [auth Qe]
UQCRFS1
-
-
-
B [auth QC]
,
H [auth Qc]
Cytochrome b
oxidoreductase activity
catalytic activity
electron transfer activity
cation binding
ion binding
binding
metal ion binding
small molecule binding
cellular respiration
energy derivation by oxidation of organic compounds
respiratory electron transport chain
electron transport chain
metabolic process
cellular process
generation of precursor metabolites and energy
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
KA [auth DC]
,
Y [auth dc]
COX4
-
-
-
JA [auth C3]
,
X [auth c3]
Putative NADH dehydrogenase subunit 6
electron transfer activity
-
cellular anatomical structure
membrane
IA [auth C2]
,
W [auth c2]
Cytochrome c oxidase subunit 2
cation binding
transition metal ion binding
copper ion binding
ion binding
binding
metal ion binding
small molecule binding
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
cytochrome-c oxidase activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
cation binding
transition metal ion binding
copper ion binding
ion binding
binding
metal ion binding
small molecule binding
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
cytochrome-c oxidase activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
active transmembrane transporter activity
monoatomic ion transmembrane transporter activity
transporter activity
transmembrane transporter activity
Less
aerobic respiration
cellular respiration
oxidative phosphorylation
energy derivation by oxidation of organic compounds
respiratory electron transport chain
ATP synthesis coupled electron transport
electron transport chain
metabolic process
cellular process
generation of precursor metabolites and energy
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
HA [auth C1]
,
V [auth c1]
Cytochrome c oxidase subunit 1
oxidoreductase activity
catalytic activity
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
cytochrome-c oxidase activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
active transmembrane transporter activity
monoatomic ion transmembrane transporter activity
transporter activity
transmembrane transporter activity
binding
oxidoreductase activity
catalytic activity
monoatomic cation transmembrane transporter activity
proton transmembrane transporter activity
primary active transmembrane transporter activity
cytochrome-c oxidase activity
electron transfer activity
active monoatomic ion transmembrane transporter activity
oxidoreduction-driven active transmembrane transporter activity
active transmembrane transporter activity
monoatomic ion transmembrane transporter activity
transporter activity
transmembrane transporter activity
binding
tetrapyrrole binding
heme binding
cation binding
ion binding
metal ion binding
small molecule binding
Less
aerobic respiration
cellular respiration
aerobic electron transport chain
oxidative phosphorylation
energy derivation by oxidation of organic compounds
ATP synthesis coupled electron transport
electron transport chain
generation of precursor metabolites and energy
mitochondrial electron transport, cytochrome c to oxygen
respiratory electron transport chain
metabolic process
cellular process
mitochondrial ATP synthesis coupled electron transport
electron transport coupled proton transport
aerobic respiration
cellular respiration
aerobic electron transport chain
oxidative phosphorylation
energy derivation by oxidation of organic compounds
ATP synthesis coupled electron transport
electron transport chain
generation of precursor metabolites and energy
mitochondrial electron transport, cytochrome c to oxygen
respiratory electron transport chain
metabolic process
cellular process
mitochondrial ATP synthesis coupled electron transport
electron transport coupled proton transport
transport
proton transmembrane transport
monoatomic ion transmembrane transport
establishment of localization
monoatomic cation transmembrane transport
transmembrane transport
localization
energy coupled proton transmembrane transport, against electrochemical gradient
monoatomic ion transport
monoatomic cation transport
Less
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
membrane-bounded organelle
mitochondrial membrane
intracellular anatomical structure
organelle inner membrane
mitochondrion
membrane
intracellular membrane-bounded organelle
mitochondrial inner membrane
intracellular organelle
organelle envelope
cellular anatomical structure
organelle
mitochondrial envelope
cytoplasm
organelle membrane
Less
GA [auth 7C]
,
U [auth 7c]
COX7c
-
-
-
FA [auth 6B]
,
T [auth 6b]
COX6b-1
-
-
-
LA [auth 6A]
,
S [auth 6a]
COX6a
-
-
-
EA [auth 5C]
,
R [auth 5c]
COX5c
-
-
-
DA [auth 4J]
,
Q [auth 4j]
COXEG10
-
-
-
CA [auth 4H]
,
P [auth 4h]
COXEG8
-
-
-
A [auth QA]
,
G [auth Qa]
MPP-beta
-
-
-
InterPro: Protein Family Classification
InterPro Database Homepage
Chains
Accession
Name
Type
C [auth QD]
,
I [auth Qd]
IPR036909
Cytochrome c-like domain superfamily
Homologous Superfamily
C [auth QD]
,
I [auth Qd]
IPR002326
Cytochrome c1
Family
C [auth QD]
,
I [auth Qd]
IPR021157
Cytochrome c1, transmembrane anchor, C-terminal
Homologous Superfamily
RA [auth Qb]
,
VA [auth QB]
IPR011765
Peptidase M16, N-terminal
Domain
RA [auth Qb]
,
VA [auth QB]
IPR011249
Metalloenzyme, LuxS/M16 peptidase-like
Homologous Superfamily
RA [auth Qb]
,
VA [auth QB]
IPR050361
Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex
Family
B [auth QC]
,
H [auth Qc]
IPR036150
Cytochrome b/b6, C-terminal domain superfamily
Homologous Superfamily
B [auth QC]
,
H [auth Qc]
IPR027387
Cytochrome b/b6-like domain superfamily
Homologous Superfamily
B [auth QC]
,
H [auth Qc]
IPR016174
Di-haem cytochrome, transmembrane
Homologous Superfamily
B [auth QC]
,
H [auth Qc]
IPR005798
Cytochrome b/b6, C-terminal
Domain
B [auth QC]
,
H [auth Qc]
IPR005797
Cytochrome b/b6, N-terminal domain
Domain
JA [auth C3]
,
X [auth c3]
IPR035973
Cytochrome c oxidase subunit III-like superfamily
Homologous Superfamily
IA [auth C2]
,
W [auth c2]
IPR002429
Cytochrome c oxidase subunit II-like C-terminal
Domain
IA [auth C2]
,
W [auth c2]
IPR011759
Cytochrome C oxidase subunit II, transmembrane domain
Domain
IA [auth C2]
,
W [auth c2]
IPR036257
Cytochrome C oxidase subunit II, transmembrane domain superfamily
Homologous Superfamily
IA [auth C2]
,
W [auth c2]
IPR008972
Cupredoxin
Homologous Superfamily
IA [auth C2]
,
W [auth c2]
IPR001505
Copper centre Cu(A)
Binding Site
IA [auth C2]
,
W [auth c2]
IPR045187
Cytochrome c/quinol oxidase subunit II
Family
HA [auth C1]
,
V [auth c1]
IPR036927
Cytochrome c oxidase-like, subunit I superfamily
Homologous Superfamily
HA [auth C1]
,
V [auth c1]
IPR000883
Cytochrome c oxidase subunit I
Family
HA [auth C1]
,
V [auth c1]
IPR023615
Cytochrome c oxidase, subunit I, copper-binding site
Binding Site
HA [auth C1]
,
V [auth c1]
IPR023616
Cytochrome c oxidase-like, subunit I domain
Domain
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