5J8K

Architecture of supercomplex I-III2

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
HB [auth AF]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068579	3000797	SCOP2B (2022-06-29)
SB [auth AQ]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068579	3000797	SCOP2B (2022-06-29)
XB [auth AV]	SCOP2 Family	Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8107761	4002065	SCOP2 (2022-06-29)
XB [auth AV]	SCOP2 Superfamily	Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8107762	3000787	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
NB [auth AL]	PF00675,PF05193	e5j8kAL2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
NB [auth AL]	PF05193	e5j8kAL1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
CB [auth AA]	PF00675,PF05193	e5j8kAA1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675,PF05193	ECOD (1.6)
CB [auth AA]	PF05193	e5j8kAA2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
DB [auth AB]	PF00675	e5j8kAB1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675	ECOD (1.6)
DB [auth AB]	PF05193	e5j8kAB2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
OB [auth AM]	PF00675	e5j8kAM2	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF00675	ECOD (1.6)
OB [auth AM]	PF05193	e5j8kAM1	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: PF05193	ECOD (1.6)
PB [auth AN]	PF00032	e5j8kAN2	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF00032	ECOD (1.6)
PB [auth AN]	PF00033	e5j8kAN1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: PF00033	ECOD (1.6)
EB [auth AC]	PF00032	e5j8kAC1	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF00032	ECOD (1.6)
EB [auth AC]	PF00033	e5j8kAC2	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: PF00033	ECOD (1.6)
FB [auth AD]	PF02167	e5j8kAD1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: PF02167	ECOD (1.6)
FB [auth AD]	F_UNCLASSIFIED	e5j8kAD2	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: F_UNCLASSIFIED	ECOD (1.6)
QB [auth AO]	PF02167	e5j8kAO1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: PF02167	ECOD (1.6)
QB [auth AO]	F_UNCLASSIFIED	e5j8kAO2	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: F_UNCLASSIFIED	ECOD (1.6)
GB [auth AE]	PF00355	e5j8kAE3	A: beta sandwiches	X: ISP domain (From Topology)	H: ISP domain (From Topology)	T: ISP domain	F: PF00355	ECOD (1.6)
GB [auth AE]	PF02921	e5j8kAE2	A: extended segments	X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	T: iron-sulfur subunit (ISP) transmembrane anchor	F: PF02921	ECOD (1.6)
RB [auth AP]	PF00355	e5j8kAP2	A: beta sandwiches	X: ISP domain (From Topology)	H: ISP domain (From Topology)	T: ISP domain	F: PF00355	ECOD (1.6)
RB [auth AP]	PF02921	e5j8kAP1	A: extended segments	X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	T: iron-sulfur subunit (ISP) transmembrane anchor	F: PF02921	ECOD (1.6)
HB [auth AF]	PF02271	e5j8kAF1	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02271	ECOD (1.6)
SB [auth AQ]	PF02271	e5j8kAQ1	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02271	ECOD (1.6)
IB [auth AG]	PF02939	e5j8kAG1	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02939	ECOD (1.6)
TB [auth AR]	PF02939	e5j8kAR1	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02939	ECOD (1.6)
UB [auth AS]	PF02320	e5j8kAS1	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02320	ECOD (1.6)
JB [auth AH]	PF02320	e5j8kAH1	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF02320	ECOD (1.6)
KB [auth AI]	PF09165	e5j8kAI1	A: extended segments	X: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	H: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	T: Ubiquinol-cytochrome c reductase 8 kDa protein	F: PF09165	ECOD (1.6)
VB [auth AT]	PF09165	e5j8kAT1	A: extended segments	X: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	H: Ubiquinol-cytochrome c reductase 8 kDa protein (From Topology)	T: Ubiquinol-cytochrome c reductase 8 kDa protein	F: PF09165	ECOD (1.6)
LB [auth AJ]	PF05365	e5j8kAJ1	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF05365	ECOD (1.6)
WB [auth AU]	PF05365	e5j8kAU1	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF05365	ECOD (1.6)
MB [auth AK]	PF08997	e5j8kAK1	A: extended segments	X: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF08997	ECOD (1.6)
XB [auth AV]	PF08997	e5j8kAV1	A: extended segments	X: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: PF08997	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
CB [auth AA], NB [auth AL]	PF05193	Peptidase M16 inactive domain (Peptidase_M16_C)	Peptidase M16 inactive domain	Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1].	Domain
CB [auth AA], NB [auth AL]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
EB [auth AC], PB [auth AN]	PF00032	Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)	Cytochrome b(C-terminal)/b6/petD	-	Domain
EB [auth AC], PB [auth AN]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB	-	Domain
HB [auth AF], SB [auth AQ]	PF02271	Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)	Ubiquinol-cytochrome C reductase complex 14kD subunit	-	Family
IB [auth AG], TB [auth AR]	PF02939	UcrQ family (UcrQ)	UcrQ family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
W	COMPLEX I PGIV/NDUFA8	-	-	-
X	COMPLEX I 39KDA/NDUFA9	-	-	-
CA [auth c]	COMPLEX I SDAP/NDUFAB1	-	-	-
AB [auth u]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 15	-	-	-
CB [auth AA], NB [auth AL]	COMPLEX III SUBUNIT 1 / CORE 1	ubiquitin protein ligase binding protein binding binding ubiquitin-like protein ligase binding enzyme binding cation binding ion binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
A	COMPLEX I ND3	-	-	-
J	COMPLEX I ND6	-	-	-
K	COMPLEX I ND4L	-	-	-
L	COMPLEX I ND5	-	-	-
M	COMPLEX I ND4	-	-	-
N	COMPLEX I ND2	-	-	-
O	COMPLEX I 18KDA/NDUFS6	-	-	-
P	COMPLEX I 13KDA/NDUFS6	-	-	-
Q	COMPLEX I 15KDA/NDUFS5	-	-	-
R	COMPLEX I MWFE/NDUFA1	-	-	-
DA [auth d], S	COMPLEX I B8/NDUFA2	-	-	-
B	COMPLEX I PSST/NDUFS7	-	-	-
T	COMPLEX I B9/NDUFA3	-	-	-
U	COMPLEX I B13/NDUFA5	-	-	-
V	COMPLEX I B14/NDUFA6	-	-	-
Y	COMPLEX I 42KDA/NDUFA10	-	-	-
Z	COMPLEX I B14.7/NDUFA11	-	-	-
AA [auth a]	COMPLEX I B17.2/NDUFA12	-	-	-
BA [auth b]	COMPLEX I B16.6/NDUFA13	-	-	-
C	COMPLEX I 30KDA/NDUFS3	-	-	-
EA [auth e]	COMPLEX I B15/NDUFB4	-	-	-
FA [auth f]	COMPLEX I B18/NDUFB7	-	-	-
GA [auth g]	COMPLEX I B22/NDUFB9	-	-	-
HA [auth h], UA [auth 9], VA [auth z]	COMPLEX I PDSW/NDUFB10	-	-	-
IA [auth i]	COMPLEX I ESSS/NDUFB11	-	-	-
JA [auth j]	COMPLEX I KFYI/NDUFC1	-	-	-
KA [auth k]	COMPLEX I B14.5B/NDUFC2	-	-	-
LA [auth 0]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 1	-	-	-
MA [auth 1]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 2	-	-	-
NA [auth 2]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 3	-	-	-
D	COMPLEX I 49KDA/NDUFS2	-	-	-
OA [auth 3], PA [auth 4]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 4	-	-	-
QA [auth 5]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 5	-	-	-
RA [auth 6]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 6	-	-	-
SA [auth 7]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 7	-	-	-
TA [auth 8]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 8	-	-	-
WA [auth y]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 11	-	-	-
XA [auth x]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 12	-	-	-
YA [auth w]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 13	-	-	-
ZA [auth v]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 14	-	-	-
E	COMPLEX I 24KDA/NDUFV2	-	-	-
BB [auth t]	COMPLEX I UNKNOWN SUBUNIT FRAGMENT 16	-	-	-
DB [auth AB], OB [auth AM]	COMPLEX III SUBUNIT 2 / CORE 2	-	-	-
EB [auth AC], PB [auth AN]	Cytochrome b	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity transmembrane transporter 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 cellular metabolic process 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 cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane respiratory chain complex protein-containing complex catalytic complex cytochrome complex membrane protein complex transporter complex respiratory chain complex III transmembrane transporter complex respirasome oxidoreductase complex
FB [auth AD], QB [auth AO]	COMPLEX III SUBUNIT 4 / CYTOCHROME C1	-	-	-
GB [auth AE], RB [auth AP]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	-	-	-
HB [auth AF], SB [auth AQ]	COMPLEX III SUBUNIT 7 / 14KDA	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
IB [auth AG], TB [auth AR]	COMPLEX III SUBUNIT 8 / QP-C	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process 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 respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle membrane-bounded organelle respiratory chain complex protein-containing complex mitochondrial respiratory chain complex III mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion cytochrome complex mitochondrial respirasome membrane protein complex transporter complex respiratory chain complex III intracellular organelle organelle envelope oxidoreductase complex mitochondrial protein-containing complex catalytic complex membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane inner mitochondrial membrane protein complex transmembrane transporter complex mitochondrial envelope organelle respirasome cytoplasm organelle membrane
JB [auth AH], UB [auth AS]	Cytochrome b-c1 complex subunit 6	-	-	-
KB [auth AI], VB [auth AT]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	-	-	-
F	COMPLEX I 51KDA/NDUFV1	-	-	-
LB [auth AJ], WB [auth AU]	COMPLEX III SUBUNIT 9 / 7.2KDA	-	-	-
MB [auth AK], XB [auth AV]	COMPLEX III SUBUNIT 10 / 6.4KDA	-	-	-
G	COMPLEX I 75KDA/NDUFS1	-	-	-
H	COMPLEX I ND1	-	-	-
I	COMPLEX I TYKY/NDUFS8	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
CB [auth AA], NB [auth AL]	IPR007863	Peptidase M16, C-terminal	Domain
CB [auth AA], NB [auth AL]	IPR011765	Peptidase M16, N-terminal	Domain
CB [auth AA], NB [auth AL]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
EB [auth AC], PB [auth AN]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
EB [auth AC], PB [auth AN]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
EB [auth AC], PB [auth AN]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
EB [auth AC], PB [auth AN]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
EB [auth AC], PB [auth AN]	IPR005798	Cytochrome b/b6, C-terminal	Domain
EB [auth AC], PB [auth AN]	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
EB [auth AC], PB [auth AN]	IPR030689	Cytochrome b	Family
EB [auth AC], PB [auth AN]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
HB [auth AF], SB [auth AQ]	IPR003197	Cytochrome b-c1 complex subunit 7	Family
HB [auth AF], SB [auth AQ]	IPR036544	Cytochrome b-c1 complex subunit 7 superfamily	Homologous Superfamily
IB [auth AG], TB [auth AR]	IPR004205	Cytochrome b-c1 complex subunit 8	Family
IB [auth AG], TB [auth AR]	IPR036642	Cytochrome b-c1 complex subunit 8 superfamily	Homologous Superfamily

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
EB [auth AC], HB [auth AF], IB [auth AG], PB [auth AN], SB [auth AQ] EB [auth AC], HB [auth AF], IB [auth AG], PB [auth AN], SB [auth AQ], TB [auth AR]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Supercomplexes (Respirasome)	Electron Transport Chain (ETC) Super Complex comprised of ETC complexes I, III, and IV, tight respirasome

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5J8K

Architecture of supercomplex I-III2

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage