9CE2 | pdb_00009ce2

Respiratory supercomplex I+III2+IV open state

External Resource: Annotation


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
JB [auth Ad]SCOP2B SuperfamilySubunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) 8073349 3000787 SCOP2B (2022-06-29)
D [auth 3]SCOP2B SuperfamilySubunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) 8073349 3000787 SCOP2B (2022-06-29)
T [auth j]SCOP2B SuperfamilyNADH-quinone oxidoreductase, subunit 11-like 8106932 3002200 SCOP2B (2022-06-29)
U [auth k]SCOP2B SuperfamilyNADH-quinone oxidoreductase, subunit 11-like 8098766 3002200 SCOP2B (2022-06-29)
AA [auth r]SCOP2B SuperfamilyAntiporter subunits half-channel-like 8054145 3002280 SCOP2B (2022-06-29)
CA [auth C]SCOP2B SuperfamilyHydB/Nqo4-like 8085733 3001849 SCOP2B (2022-06-29)
EA [auth E]SCOP2B SuperfamilyThioredoxin-like 8106790 3000031 SCOP2B (2022-06-29)
FA [auth F]SCOP2B SuperfamilyRubredoxin-like 8091048 3001257 SCOP2B (2022-06-29)
MA [auth P]SCOP2B SuperfamilyThioredoxin-like 8065219 3000031 SCOP2B (2022-06-29)
SB [auth Ao]SCOP2B SuperfamilyCytochrome c oxidase subunit E 8097744 3001402 SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth 0],
HB [auth Ab]		PF02320Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)Ubiquinol-cytochrome C reductase hinge proteinThe ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c ...The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c complex.
Domain
B [auth 1],
IB [auth Ac]		PF05365Cytochrome b-c1 complex subunit 9 (UCR_UQCRX_QCR9)Cytochrome b-c1 complex subunit 9- Family
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		PF02921Ubiquinol cytochrome reductase transmembrane region (UCR_TM)Ubiquinol cytochrome reductase transmembrane region- Family
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		PF00355Rieske [2Fe-2S] domain (Rieske)Rieske [2Fe-2S] domainThe rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ...The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in this motif form a disulphide bridge, which stabilises the protein [4].
Domain
BB [auth v],
F [auth 6]		PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase 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
BB [auth v],
F [auth 6]		PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
CB [auth w],
G [auth 7]		PF00032Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)Cytochrome b(C-terminal)/b6/petDDomain
CB [auth w],
G [auth 7]		PF00033Cytochrome b/b6/petB (Cytochrome_B)Cytochrome b/b6/petBDomain
DB [auth x],
H [auth 8]		PF02167Cytochrome C1 family (Cytochrom_C1)Cytochrome C1 family- Family
BA [auth B]PF22461SLBB domain (SLBB_2)SLBB domainThis entry represents a set of SLBB domains [5]. Domain
BA [auth B]PF01512Nuo51 FMN-binding domain (Complex1_51K)Nuo51 FMN-binding domainThis entry represents the FMN-binding domain of NADH-ubiquinone oxidoreductase 51kDa subunit from NADH:ubiquinone oxidoreductase. Domain
BA [auth B]PF10589NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S)NADH-ubiquinone oxidoreductase-F iron-sulfur binding regionDomain
CA [auth C]PF00346Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa)Respiratory-chain NADH dehydrogenase, 49 Kd subunit- Family
DA [auth D]PF00329Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa)Respiratory-chain NADH dehydrogenase, 30 Kd subunitDomain
DA [auth D]PF10249NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10)NADH-ubiquinone oxidoreductase subunit 10- Family
EA [auth E]PF01257Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx)Thioredoxin-like [2Fe-2S] ferredoxin- Family
FA [auth F]PF10276Zinc-finger domain (zf-CHCC)Zinc-finger domainThis is a short zinc-finger domain conserved from fungi to humans. It is Cx8Hx14Cx2C. Domain
GA [auth H]PF128384Fe-4S dicluster domain (Fer4_7)4Fe-4S dicluster domainSuperfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.
Domain
HA [auth I]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
HA [auth I]PF01058NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6)NADH ubiquinone oxidoreductase, 20 Kd subunitDomain
IA [auth J]PF00507NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4)NADH-ubiquinone/plastoquinone oxidoreductase, chain 3- Family
IA [auth J]PF04800NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4)NADH dehydrogenase ubiquinone Fe-S protein 4- Family
JA [auth K]PF00420NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2)NADH-ubiquinone/plastoquinone oxidoreductase chain 4L- Family
JA [auth K]PF05071NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12)NADH ubiquinone oxidoreductase subunit NDUFA12- Family
KA [auth N]PF04716ETC complex I subunit conserved region (ETC_C1_NDUFA5)ETC complex I subunit conserved region- Family
LA [auth O],
UA [auth X]		PF00550Phosphopantetheine attachment site (PP-binding)Phosphopantetheine attachment siteA 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes memb ...A 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes members not included in Prosite. The inclusion of these members is supported by sequence analysis and functional evidence. The related domain of Swiss:P19828 has the attachment serine replaced by an alanine.
Domain
LA [auth O],
UA [auth X]		PF07225NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4)NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4)- Family
LA [auth O],
UA [auth X]		PF02167Cytochrome C1 family (Cytochrom_C1)Cytochrome C1 family- Family
MA [auth P]PF05347Complex 1 protein (LYR family) (Complex1_LYR)Complex 1 protein (LYR family)- Family
MA [auth P]PF05047Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain (L51_S25_CI-B8)Mitochondrial ribosomal protein L51 / S25 / CI-B8 domainThe proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all member ...The proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all members of this family form part of the NADH-ubiquinone oxidoreductase and whether they are also all ribosomal proteins. Structurally related to thioredoxin-fold.
Domain
NA [auth Q]PF05347Complex 1 protein (LYR family) (Complex1_LYR)Complex 1 protein (LYR family)- Family
NA [auth Q]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
NA [auth Q]PF01059NADH-ubiquinone oxidoreductase chain 4, amino terminus (Oxidored_q5_N)NADH-ubiquinone oxidoreductase chain 4, amino terminusThis domain is found at the N-terminal end of NADH-ubiquinone oxidoreductase chain 4 and similar sequences from bacteria and eukaryotes. This domain is found upstream of Pfam:PF00361 and shows an all-alpha structure. Domain
OA [auth R]PF00146NADH dehydrogenase (NADHdh)NADH dehydrogenase- Family
PA [auth S]PF15879NADH-ubiquinone oxidoreductase MWFE subunit (MWFE)NADH-ubiquinone oxidoreductase MWFE subunit- Family
QA [auth T]PF05676NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7)NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7)- Family
QA [auth T]PF14987NADH dehydrogenase 1 alpha subcomplex subunit 3 (NADHdh_A3)NADH dehydrogenase 1 alpha subcomplex subunit 3- Family
RA [auth U]PF01712Deoxynucleoside kinase (dNK)Deoxynucleoside kinaseThis family consists of various deoxynucleoside kinases cytidine EC:2.7.1.74, guanosine EC:2.7.1.113, adenosine EC:2.7.1.76 and thymidine kinase EC:2.7.1.21 (which also phosphorylates deoxyuridine and deoxycytosine.) These enzymes catalyse the prod ...This family consists of various deoxynucleoside kinases cytidine EC:2.7.1.74, guanosine EC:2.7.1.113, adenosine EC:2.7.1.76 and thymidine kinase EC:2.7.1.21 (which also phosphorylates deoxyuridine and deoxycytosine.) These enzymes catalyse the production of deoxynucleotide 5'-monophosphate from a deoxynucleoside. Using ATP and yielding ADP in the process.
Domain
RA [auth U]PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase 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
RA [auth U]PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
SA [auth V]PF02466Tim17/Tim22/Tim23/Pmp24 family (Tim17)Tim17/Tim22/Tim23/Pmp24 family- Family
SA [auth V]PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
TA [auth W]PF06212GRIM-19 protein (GRIM-19)GRIM-19 protein- Family
TA [auth W]PF00033Cytochrome b/b6/petB (Cytochrome_B)Cytochrome b/b6/petBDomain
VA [auth Y]PF14813NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2)NADH dehydrogenase 1 beta subcomplex subunit 2- Family
WA [auth Z]PF02939UcrQ family (UcrQ)UcrQ family- Family
WA [auth Z]PF08122NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12)NADH-ubiquinone oxidoreductase B12 subunit family- Family
AB [auth u],
WB [auth 5]		PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase 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
AB [auth u],
WB [auth 5]		PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
XB [auth G]PF06374NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2)NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2)- Family
XB [auth G]PF00384Molybdopterin oxidoreductase (Molybdopterin)Molybdopterin oxidoreductaseDomain
XB [auth G]PF22151NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain (Fer4_NDSU1)NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domainThis entry represents the 4Fe-4S domain of NADH-ubiquinone oxidoreductase NDUFS1 from mammals and NuoG from bacteria, which are part of respiratory chain complex I [1-5]. Domain
XB [auth G]PF09326NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C)NADH-ubiquinone oxidoreductase subunit G, C-terminal- Family
XB [auth G]PF22117NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain (Fer4_Nqo3)NADH-quinone oxidoreductase subunit 3, ferredoxin-like domainNADH-quinone oxidoreductase subunit 3 (Nqo3) is a component of respiratory complex I. This protein is located at the peripheral arm of the complex and consists of multiple domains. This entry represents the second ferredoxin-like domain which contain ...NADH-quinone oxidoreductase subunit 3 (Nqo3) is a component of respiratory complex I. This protein is located at the peripheral arm of the complex and consists of multiple domains. This entry represents the second ferredoxin-like domain which contains Fe4-S4 cluster, one of the redox centers of the complex [1-5].
Domain
XB [auth G]PF10588NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3)NADH-ubiquinone oxidoreductase-G iron-sulfur binding regionDomain
YB [auth L]PF01370NAD dependent epimerase/dehydratase family (Epimerase)NAD dependent epimerase/dehydratase family- Family
YB [auth L]PF00361NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)NADH:quinone oxidoreductase/Mrp antiporter, TMThis entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ...This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane, and in this context is a combination predominantly of subunits 2, 4, 5, 14, L, M and N [1]. In many bacterial species these proteins are probable stand-alone transporters not coupled with oxidoreduction [2].
Domain
YB [auth L]PF00662NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N)NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminusThis entry represents an amino terminal extension of Pfam:PF00361. Only NADH-Ubiquinone chain 5 and eubacterial chain L are in this family. This sub-family is part of complex I which catalyses the transfer of two electrons from NADH to ubiquinone in ...This entry represents an amino terminal extension of Pfam:PF00361. Only NADH-Ubiquinone chain 5 and eubacterial chain L are in this family. This sub-family is part of complex I which catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associated with proton translocation across the membrane.
Domain
ZB [auth M]PF07347NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) (CI-B14_5a)NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)- Family
ZB [auth M]PF00499NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3)NADH-ubiquinone/plastoquinone oxidoreductase chain 6- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth 0],
HB [auth Ab]		Cytochrome b-c1 complex subunit 6, mitochondrial-
B [auth 1],
IB [auth Ac]		Ubiquinol-cytochrome c reductase complex 7.2 kDa protein-
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		Ubiquinol-cytochrome c reductase, Rieske iron-sulfur polypeptide 1
D [auth 3],
JB [auth Ad]		Cytochrome b-c1 complex subunit 10-
BB [auth v],
F [auth 6]		Cytochrome b-c1 complex subunit 2, mitochondrial
CB [auth w],
G [auth 7]		Cytochrome b
DB [auth x],
H [auth 8]		Cytochrome c1
EB [auth y],
I [auth 9]		Cytochrome b-c1 complex subunit 7-
J [auth A]Cytochrome c oxidase subunit 6C-
K [auth a]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial- -
L [auth b]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6-
M [auth c]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial-
N [auth d]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10- -
O [auth e]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial- -
P [auth f]NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial- -
Q [auth g]NADH dehydrogenase [ubiquinone] 1 subunit C2-
R [auth h]NADH dehydrogenase [ubiquinone] iron-sulfur protein 5-
S [auth i]NADH-ubiquinone oxidoreductase chain 2
T [auth j]NADH-ubiquinone oxidoreductase chain 3
U [auth k]NADH-ubiquinone oxidoreductase chain 4L
V [auth m]NADH-ubiquinone oxidoreductase chain 6
W [auth n]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1- -
X [auth o]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4- -
Y [auth p]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9-
Z [auth q]NADH-ubiquinone oxidoreductase chain 4
AA [auth r]NADH-ubiquinone oxidoreductase chain 1
BA [auth B]NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial
CA [auth C]NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial
DA [auth D]NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial
EA [auth E]NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial
FA [auth F]NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial-
GA [auth H]NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial -
HA [auth I]NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial - -
IA [auth J]NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial
JA [auth K]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12- -
KA [auth N]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5 isoform X1-
LA [auth O],
UA [auth X]		Acyl carrier protein
MA [auth P]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2- -
NA [auth Q]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6-
OA [auth R]NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial- -
PA [auth S]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1- -
QA [auth T]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3- -
RA [auth U]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial-
SA [auth V]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11-
TA [auth W]NADH:ubiquinone oxidoreductase subunit A13- -
VA [auth Y]NADH:ubiquinone oxidoreductase subunit B2- -
WA [auth Z]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3-
XA [auth l]NADH-ubiquinone oxidoreductase chain 5
YA [auth s]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8-
ZA [auth t]NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7 -
AB [auth u],
WB [auth 5]		Cytochrome b-c1 complex subunit 1, mitochondrial -
FB [auth z],
GB [auth Aa]		Cytochrome b-c1 complex subunit 8-
KB [auth Ag]Cytochrome c oxidase subunit 8-
LB [auth Ah]Cytochrome c oxidase subunit 7A1, mitochondrial
MB [auth Ai]Cytochrome c oxidase subunit 7B-
NB [auth Aj]Cytochrome c oxidase subunit 7C, mitochondrial-
OB [auth Ak]Cytochrome c oxidase subunit 1
PB [auth Al]Cytochrome c oxidase subunit 2
QB [auth Am]Cytochrome c oxidase subunit 3
RB [auth An]Cytochrome c oxidase subunit 4-
SB [auth Ao]Cytochrome c oxidase subunit 5A, mitochondrial
TB [auth Ap]Cytochrome c oxidase subunit 5B, mitochondrial
UB [auth Aq]Cytochrome c oxidase subunit 6A2
VB [auth Ar]Cytochrome c oxidase subunit- -
XB [auth G]NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
YB [auth L]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial- -
ZB [auth M]NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth 0],
HB [auth Ab]		IPR003422Cytochrome b-c1 complex, subunit 6Family
A [auth 0],
HB [auth Ab]		IPR023184Ubiquinol-cytochrome C reductase hinge domainDomain
A [auth 0],
HB [auth Ab]		IPR036811Ubiquinol-cytochrome C reductase hinge domain superfamilyHomologous Superfamily
B [auth 1],
IB [auth Ac]		IPR008027Cytochrome b-c1 complex subunit 9Family
B [auth 1],
IB [auth Ac]		IPR036656Cytochrome b-c1 complex subunit 9 superfamilyHomologous Superfamily
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR036922Rieske [2Fe-2S] iron-sulphur domain superfamilyHomologous Superfamily
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR014349Rieske iron-sulphur proteinFamily
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR011070Globular protein, non-globular alpha/beta subunitHomologous Superfamily
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR004192Cytochrome b-c1 complex subunit Rieske, transmembrane domainDomain
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR015248Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminalDomain
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR017941Rieske [2Fe-2S] iron-sulphur domainDomain
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR005805Rieske iron-sulphur protein, C-terminalDomain
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR037008Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamilyHomologous Superfamily
AC [auth Ae],
BC [auth Af],
C [auth 2],
E [auth 4]		IPR006317Ubiquinol-cytochrome c reductase, iron-sulphur subunitDomain
D [auth 3],
JB [auth Ad]		IPR029027Single alpha-helix domain superfamilyHomologous Superfamily
D [auth 3],
JB [auth Ad]		IPR015089Cytochrome b-c1 complex subunit 10Family
BB [auth v],
F [auth 6]		IPR007863Peptidase M16, C-terminalDomain
BB [auth v],
F [auth 6]		IPR011765Peptidase M16, N-terminalDomain
BB [auth v],
F [auth 6]		IPR011249Metalloenzyme, LuxS/M16 peptidase-likeHomologous Superfamily
BB [auth v],
F [auth 6]		IPR050361Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase ComplexFamily
BB [auth v],
F [auth 6]		IPR001431Peptidase M16, zinc-binding siteBinding Site
CB [auth w],
G [auth 7]		IPR036150Cytochrome b/b6, C-terminal domain superfamilyHomologous Superfamily
CB [auth w],
G [auth 7]		IPR027387Cytochrome b/b6-like domain superfamilyHomologous Superfamily
CB [auth w],
G [auth 7]		IPR048260Cytochrome b/b6, C-terminal domain, eukaryotic/bacterialDomain
CB [auth w],
G [auth 7]		IPR016174Di-haem cytochrome, transmembraneHomologous Superfamily
CB [auth w],
G [auth 7]		IPR005798Cytochrome b/b6, C-terminalDomain
CB [auth w],
G [auth 7]		IPR048259Cytochrome b/b6, N-terminal domain, eukaryotic/bacterialDomain
CB [auth w],
G [auth 7]		IPR030689Cytochrome bFamily
CB [auth w],
G [auth 7]		IPR005797Cytochrome b/b6, N-terminal domainDomain
DB [auth x],
H [auth 8]		IPR036909Cytochrome c-like domain superfamilyHomologous Superfamily
DB [auth x],
H [auth 8]		IPR002326Cytochrome c1Family
DB [auth x],
H [auth 8]		IPR009056Cytochrome c-like domainDomain
DB [auth x],
H [auth 8]		IPR021157Cytochrome c1, transmembrane anchor, C-terminalHomologous Superfamily
EB [auth y],
I [auth 9]		IPR003197Cytochrome b-c1 complex subunit 7Family
EB [auth y],
I [auth 9]		IPR036544Cytochrome b-c1 complex subunit 7 superfamilyHomologous Superfamily
J [auth A]IPR037169Mitochondrial cytochrome c oxidase subunit VIc/VIIs superfamilyHomologous Superfamily
J [auth A]IPR051389Cytochrome c oxidase subunit VIcFamily
J [auth A]IPR034884Mitochondrial cytochrome c oxidase subunit VIc/VIIsFamily
K [auth a]IPR019173NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunitFamily
L [auth b]IPR019174NADH dehydrogenase 1, beta subcomplex, subunit 6Family
M [auth c]IPR008699NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8Family
M [auth c]IPR016551NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, metazoaFamily
N [auth d]IPR019377NADH-ubiquinone oxidoreductase, subunit 10Family
N [auth d]IPR039993NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10Family
O [auth e]IPR019329NADH:ubiquinone oxidoreductase, ESSS subunitFamily
P [auth f]IPR026192NADH-ubiquinone oxidoreductase 1 subunit C1Family
Q [auth g]IPR009423NADH dehydrogenase [ubiquinone] 1 subunit C2, NDUC2Family
R [auth h]IPR019342NADH:ubiquinone oxidoreductase, iron-sulphur subunit 5Family
S [auth i]IPR010933NADH dehydrogenase subunit 2, C-terminalDomain
S [auth i]IPR003917NADH:ubiquinone oxidoreductase, chain 2Family
S [auth i]IPR050175Complex I Subunit 2Family
S [auth i]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
T [auth j]IPR000440NADH:ubiquinone/plastoquinone oxidoreductase, chain 3Family
T [auth j]IPR038430NADH:ubiquinone oxidoreductase, subunit 3 superfamilyHomologous Superfamily
U [auth k]IPR001133NADH-ubiquinone oxidoreductase chain 4L/KFamily
U [auth k]IPR039428NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-likeFamily
V [auth m]IPR050269Complex I Subunit 6Family
V [auth m]IPR042106NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJHomologous Superfamily
V [auth m]IPR001457NADH:ubiquinone/plastoquinone oxidoreductase, chain 6Family
W [auth n]IPR012575NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1, NDUB1Family
X [auth o]IPR009866NADH:ubiquinone oxidoreductase, subunit NDUFB4Family
Y [auth p]IPR033034NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9Family
Y [auth p]IPR008011Complex 1 LYR protein domainDomain
Y [auth p]IPR045292NDUFB9, LYR domainDomain
Z [auth q]IPR003918NADH:ubiquinone oxidoreductaseFamily
Z [auth q]IPR010227NADH-quinone oxidoreductase, chain M/4Family
Z [auth q]IPR000260NADH:ubiquinone oxidoreductase chain 4, N-terminalDomain
Z [auth q]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
AA [auth r]IPR001694NADH:ubiquinone oxidoreductase, subunit 1/F420H2 oxidoreductase subunit HFamily
AA [auth r]IPR018086NADH:ubiquinone oxidoreductase, subunit 1, conserved siteConserved Site
BA [auth B]IPR019575NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domainDomain
BA [auth B]IPR054765SLBB domainDomain
BA [auth B]IPR011537NADH ubiquinone oxidoreductase, F subunitFamily
BA [auth B]IPR001949NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved siteConserved Site
BA [auth B]IPR037225NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamilyHomologous Superfamily
BA [auth B]IPR037207NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamilyHomologous Superfamily
BA [auth B]IPR011538NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domainDomain
BA [auth B]IPR050837Complex I 51 kDa subunitFamily
CA [auth C]IPR014029NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved siteConserved Site
CA [auth C]IPR029014[NiFe]-hydrogenase, large subunitHomologous Superfamily
CA [auth C]IPR022885NAD(P)H-quinone oxidoreductase subunit D/HFamily
CA [auth C]IPR001135NADH-quinone oxidoreductase, subunit DDomain
DA [auth D]IPR037232NADH:ubiquinone oxidoreductase, 30kDa subunit superfamilyHomologous Superfamily
DA [auth D]IPR001268NADH:ubiquinone oxidoreductase, 30kDa subunitDomain
DA [auth D]IPR020396NADH:ubiquinone oxidoreductase, 30kDa subunit, conserved siteConserved Site
DA [auth D]IPR010218NADH dehydrogenase, subunit CFamily
EA [auth E]IPR042128NuoE domainDomain
EA [auth E]IPR002023NADH-quinone oxidoreductase subunit E-likeFamily
EA [auth E]IPR041921NADH-quinone oxidoreductase subunit E, N-terminalHomologous Superfamily
EA [auth E]IPR036249Thioredoxin-like superfamilyHomologous Superfamily
FA [auth F]IPR016668NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrialFamily
FA [auth F]IPR019401Zinc finger, CHCC-typeDomain
GA [auth H]IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
GA [auth H]IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
GA [auth H]IPR010226NADH-quinone oxidoreductase, chain IFamily
HA [auth I]IPR006138NADH-ubiquinone oxidoreductase, 20 Kd subunitFamily
HA [auth I]IPR006137NADH:ubiquinone oxidoreductase-like, 20kDa subunitDomain
IA [auth J]IPR038532NADH dehydrogenase ubiquinone Fe-S protein 4-like superfamilyHomologous Superfamily
IA [auth J]IPR006885NADH dehydrogenase ubiquinone Fe-S protein 4 mitochondrial-likeFamily
JA [auth K]IPR007763NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12Family
KA [auth N]IPR006806NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5Family
LA [auth O],
UA [auth X]		IPR006162Phosphopantetheine attachment sitePTM
LA [auth O],
UA [auth X]		IPR009081Phosphopantetheine binding ACP domainDomain
LA [auth O],
UA [auth X]		IPR036736ACP-like superfamilyHomologous Superfamily
LA [auth O],
UA [auth X]		IPR003231Acyl carrier proteinFamily
MA [auth P]IPR007741Ribosomal protein/NADH dehydrogenase domainDomain
MA [auth P]IPR036249Thioredoxin-like superfamilyHomologous Superfamily
MA [auth P]IPR016464NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 2Family
NA [auth Q]IPR016488NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 6Family
NA [auth Q]IPR008011Complex 1 LYR protein domainDomain
NA [auth Q]IPR045299NDUFA6, LYR domainDomain
OA [auth R]IPR026193NADH-ubiquinone oxidoreductase flavoprotein 3Family
PA [auth S]IPR017384NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex subunit 1Family
QA [auth T]IPR026626NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3Family
RA [auth U]IPR031314Deoxynucleoside kinase domainDomain
RA [auth U]IPR050566Deoxyribonucleoside KinaseFamily
RA [auth U]IPR015828NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrialFamily
RA [auth U]IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
SA [auth V]IPR039205NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11Family
TA [auth W]IPR009346GRIM-19Family
VA [auth Y]IPR026627NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, animal typeFamily
WA [auth Z]IPR012576NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3Family
XA [auth l]IPR003945NADH-quinone oxidoreductase, chain 5-likeFamily
XA [auth l]IPR010934NADH dehydrogenase subunit 5, C-terminalDomain
XA [auth l]IPR001516NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminalDomain
XA [auth l]IPR001750NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domainDomain
XA [auth l]IPR018393NADH-plastoquinone oxidoreductase, chain 5 subgroupFamily
YA [auth s]IPR010625CHCHDomain
YA [auth s]IPR016680NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 8Family
ZA [auth t]IPR008698NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7, NDUB7Family
AB [auth u],
WB [auth 5]		IPR007863Peptidase M16, C-terminalDomain
AB [auth u],
WB [auth 5]		IPR011765Peptidase M16, N-terminalDomain
AB [auth u],
WB [auth 5]		IPR011249Metalloenzyme, LuxS/M16 peptidase-likeHomologous Superfamily
AB [auth u],
WB [auth 5]		IPR050361Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase ComplexFamily
FB [auth z],
GB [auth Aa]		IPR004205Cytochrome b-c1 complex subunit 8Family
FB [auth z],
GB [auth Aa]		IPR036642Cytochrome b-c1 complex subunit 8 superfamilyHomologous Superfamily
KB [auth Ag]IPR003205Cytochrome c oxidase, subunit 8Family
KB [auth Ag]IPR036548Cytochrome c oxidase, subunit 8 superfamilyHomologous Superfamily
LB [auth Ah]IPR003177Cytochrome c oxidase subunit VIIa, metazoaFamily
LB [auth Ah]IPR036539Cytochrome c oxidase, subunit VIIa superfamilyHomologous Superfamily
LB [auth Ah]IPR039297Cytochrome c oxidase subunit VIIFamily
MB [auth Ai]IPR023272Cytochrome C oxidase, subunit VIIB domain superfamilyHomologous Superfamily
MB [auth Ai]IPR008433Cytochrome C oxidase, subunit VIIBFamily
NB [auth Aj]IPR036636Cytochrome c oxidase subunit VIIc superfamilyHomologous Superfamily
NB [auth Aj]IPR004202Cytochrome c oxidase subunit VIIcFamily
OB [auth Ak]IPR036927Cytochrome c oxidase-like, subunit I superfamilyHomologous Superfamily
OB [auth Ak]IPR000883Cytochrome c oxidase subunit IFamily
OB [auth Ak]IPR023615Cytochrome c oxidase, subunit I, copper-binding siteBinding Site
OB [auth Ak]IPR023616Cytochrome c oxidase-like, subunit I domainDomain
OB [auth Ak]IPR033944Cytochrome c oxidase subunit I domainDomain
PB [auth Al]IPR002429Cytochrome c oxidase subunit II-like C-terminalDomain
PB [auth Al]IPR011759Cytochrome C oxidase subunit II, transmembrane domainDomain
PB [auth Al]IPR036257Cytochrome C oxidase subunit II, transmembrane domain superfamilyHomologous Superfamily
PB [auth Al]IPR034210Cytochrome c oxidase subunit 2, C-terminalDomain
PB [auth Al]IPR008972CupredoxinHomologous Superfamily
PB [auth Al]IPR001505Copper centre Cu(A)Binding Site
PB [auth Al]IPR045187Cytochrome c/quinol oxidase subunit IIFamily
PB [auth Al]IPR014222Cytochrome c oxidase, subunit IIDomain
QB [auth Am]IPR035973Cytochrome c oxidase subunit III-like superfamilyHomologous Superfamily
QB [auth Am]IPR013833Cytochrome c oxidase, subunit III, 4-helical bundleHomologous Superfamily
QB [auth Am]IPR000298Cytochrome c oxidase subunit III-likeDomain
QB [auth Am]IPR033945Cytochrome c oxidase subunit III domainDomain
QB [auth Am]IPR024791Cytochrome c oxidase subunit IIIFamily
RB [auth An]IPR004203Cytochrome c oxidase subunit IV familyFamily
RB [auth An]IPR013288Cytochrome c oxidase subunit IVFamily
RB [auth An]IPR036639Cytochrome c oxidase subunit IV superfamilyHomologous Superfamily
SB [auth Ao]IPR003204Cytochrome c oxidase, subunit Va/VIFamily
SB [auth Ao]IPR036545Cytochrome c oxidase, subunit Va/VI superfamilyHomologous Superfamily
TB [auth Ap]IPR002124Cytochrome c oxidase, subunit VbFamily
TB [auth Ap]IPR036972Cytochrome c oxidase, subunit Vb superfamilyHomologous Superfamily
UB [auth Aq]IPR018507Cytochrome c oxidase, subunit VIa, conserved siteConserved Site
UB [auth Aq]IPR036418Cytochrome c oxidase, subunit VIa superfamilyHomologous Superfamily
UB [auth Aq]IPR001349Cytochrome c oxidase, subunit VIaFamily
VB [auth Ar]IPR036549Cytochrome c oxidase subunit 6B/Cytochrome c oxidase assembly factor 6-like superfamilyHomologous Superfamily
VB [auth Ar]IPR048280Cytochrome oxidase c subunit VIb-likeFamily
VB [auth Ar]IPR003213Cytochrome c oxidase, subunit VIbFamily
XB [auth G]IPR006963Molybdopterin oxidoreductase, 4Fe-4S domainDomain
XB [auth G]IPR015405NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial-likeDomain
XB [auth G]IPR006656Molybdopterin oxidoreductaseDomain
XB [auth G]IPR0360102Fe-2S ferredoxin-like superfamilyHomologous Superfamily
XB [auth G]IPR0010412Fe-2S ferredoxin-type iron-sulfur binding domainDomain
XB [auth G]IPR000283NADH:ubiquinone oxidoreductase, 75kDa subunit, conserved siteConserved Site
XB [auth G]IPR054351NADH-ubiquinone oxidoreductase, ferredoxin-like domainDomain
XB [auth G]IPR010228NADH:ubiquinone oxidoreductase, subunit GFamily
XB [auth G]IPR050123Prokaryotic molybdopterin-containing oxidoreductaseFamily
XB [auth G]IPR019574NADH:ubiquinone oxidoreductase, subunit G, iron-sulphur bindingDomain
YB [auth L]IPR051207Mitochondrial Complex I NDUFA9 SubunitFamily
YB [auth L]IPR036291NAD(P)-binding domain superfamilyHomologous Superfamily
YB [auth L]IPR001509NAD-dependent epimerase/dehydrataseDomain
ZB [auth M]IPR009947NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7Family