5XTH

Cryo-EM structure of human respiratory supercomplex I1III2IV1


Protein Family Annotation Pfam Database Homepage

ChainsAccessionIdentifierDescriptionCommentsSource
APF10531SLBB domain (SLBB)SLBB domain- Domain
APF01512Respiratory-chain NADH dehydrogenase 51 Kd subunit (Complex1_51K)Respiratory-chain NADH dehydrogenase 51 Kd subunit- Family
APF10589NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S)NADH-ubiquinone oxidoreductase-F iron-sulfur binding region- Domain
BPF128384Fe-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
CPF01058NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6)NADH ubiquinone oxidoreductase, 20 Kd subunit- Family
DPF05347Complex 1 protein (LYR family) (Complex1_LYR)Complex 1 protein (LYR family)- Family
EPF05047Mitochondrial 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
F, VPF00550Phosphopantetheine 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
GPF04716ETC complex I subunit conserved region (ETC_C1_NDUFA5)ETC complex I subunit conserved region- Family
HPF07347NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) (CI-B14_5a)NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)- Family
IPF01370NAD dependent epimerase/dehydratase family (Epimerase)NAD dependent epimerase/dehydratase family- Family
JPF15880NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial (NDUFV3)NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial- Family
KPF04800ETC complex I subunit conserved region (ETC_C1_NDUFA4)ETC complex I subunit conserved region- Family
LPF00384Molybdopterin oxidoreductase (Molybdopterin)Molybdopterin oxidoreductase- Family
LPF09326NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C)NADH-ubiquinone oxidoreductase subunit G, C-terminal- Family
LPF10588NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3)NADH-ubiquinone oxidoreductase-G iron-sulfur binding region- Domain
MPF05071NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12)NADH ubiquinone oxidoreductase subunit NDUFA12- Family
OPF00329Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa)Respiratory-chain NADH dehydrogenase, 30 Kd subunit- Family
PPF00346Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa)Respiratory-chain NADH dehydrogenase, 49 Kd subunit- Family
QPF15879NADH-ubiquinone oxidoreductase MWFE subunit (MWFE)NADH-ubiquinone oxidoreductase MWFE subunit- Family
RPF10276Zinc-finger domain (zf-CHCC)Zinc-finger domainThis is a short zinc-finger domain conserved from fungi to humans. It is Cx8Hx14Cx2C.Domain
SPF14987NADH dehydrogenase 1 alpha subcomplex subunit 3 (NADHdh_A3)NADH dehydrogenase 1 alpha subcomplex subunit 3- Family
UPF06212GRIM-19 protein (GRIM-19)GRIM-19 protein- Family
WPF14813NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2)NADH dehydrogenase 1 beta subcomplex subunit 2- Family
YPF09781NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit (NDUF_B5)NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit- Family
ZPF09782NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit (NDUF_B6)NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit- Family
AAPF05821NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8) (NDUF_B8)NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8)- Family
BAPF10249NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10)NADH-ubiquinone oxidoreductase subunit 10- Family
DAPF15088NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial (NADH_dh_m_C1)NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial- Family
EAPF06374NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2)NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2)- Family
FAPF10200NADH:ubiquinone oxidoreductase, NDUFS5-15kDa (Ndufs5)NADH:ubiquinone oxidoreductase, NDUFS5-15kDa- Family
GAPF00361Proton-conducting membrane transporter (Proton_antipo_M)Proton-conducting membrane transporter- Family
GAPF06444NADH dehydrogenase subunit 2 C-terminus (NADH_dehy_S2_C)NADH dehydrogenase subunit 2 C-terminus- Family
HAPF00507NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4)NADH-ubiquinone/plastoquinone oxidoreductase, chain 3- Family
IAPF00420NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2)NADH-ubiquinone/plastoquinone oxidoreductase chain 4L- Family
JAPF00361Proton-conducting membrane transporter (Proton_antipo_M)Proton-conducting membrane transporter- Family
JAPF06455NADH dehydrogenase subunit 5 C-terminus (NADH5_C)NADH dehydrogenase subunit 5 C-terminus- Family
JAPF00662NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N)NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus- Family
KAPF00499NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3)NADH-ubiquinone/plastoquinone oxidoreductase chain 6- Family
LAPF08040MNLL subunit (NADH_oxidored)MNLL subunit- Family
MAPF07225NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4)NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4)- Family
NAPF05347Complex 1 protein (LYR family) (Complex1_LYR)Complex 1 protein (LYR family)- Family
OAPF00361Proton-conducting membrane transporter (Proton_antipo_M)Proton-conducting membrane transporter- Family
OAPF01059NADH-ubiquinone oxidoreductase chain 4, amino terminus (Oxidored_q5_N)NADH-ubiquinone oxidoreductase chain 4, amino terminus- Family
PAPF00146NADH dehydrogenase (NADHdh)NADH dehydrogenase- Family
QAPF06747CHCH domain (CHCH)CHCH domainwe have identified a conserved motif in the LOC118487 protein that we have called the CHCH motif. Alignment of this protein with related members showed the presence of three subgroups of proteins, which are called the S (Small), N (N-terminal extende ...we have identified a conserved motif in the LOC118487 protein that we have called the CHCH motif. Alignment of this protein with related members showed the presence of three subgroups of proteins, which are called the S (Small), N (N-terminal extended) and C (C-terminal extended) subgroups. All three sub-groups of proteins have in common that they contain a predicted conserved [coiled coil 1]-[helix 1]-[coiled coil 2]-[helix 2] domain (CHCH domain). Within each helix of the CHCH domain, there are two cysteines present in a C-X9-C motif. The N-group contains an additional double helix domain, and each helix contains the C-X9-C motif. This family contains a number of characterised proteins: Cox19 protein - a nuclear gene of Saccharomyces cerevisiae, codes for an 11-kDa protein (Cox19p) required for expression of cytochrome oxidase. Because cox19 mutants are able to synthesise the mitochondrial and nuclear gene products of cytochrome oxidase, Cox19p probably functions post-translationally during assembly of the enzyme. Cox19p is present in the cytoplasm and mitochondria, where it exists as a soluble intermembrane protein. This dual location is similar to what was previously reported for Cox17p, a low molecular weight copper protein thought to be required for maturation of the CuA centre of subunit 2 of cytochrome oxidase. Cox19p have four conserved potential metal ligands, these are three cysteines and one histidine. Mrp10 - belongs to the class of yeast mitochondrial ribosomal proteins that are essential for translation [2]. Eukaryotic NADH-ubiquinone oxidoreductase 19 kDa (NDUFA8) subunit [3]. The CHCH domain was previously called DUF657 [4].
Domain
RAPF05676NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7)NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7)- Family
SAPF01712Deoxynucleoside 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
TAPF00115Cytochrome C and Quinol oxidase polypeptide I (COX1)Cytochrome C and Quinol oxidase polypeptide I- Family
UAPF00116Cytochrome C oxidase subunit II, periplasmic domain (COX2)Cytochrome C oxidase subunit II, periplasmic domain- Domain
UAPF02790Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM)Cytochrome C oxidase subunit II, transmembrane domain- Family
VAPF00510Cytochrome c oxidase subunit III (COX3)Cytochrome c oxidase subunit III- Family
WAPF02936Cytochrome c oxidase subunit IV (COX4)Cytochrome c oxidase subunit IV- Family
XAPF02284Cytochrome c oxidase subunit Va (COX5A)Cytochrome c oxidase subunit VaCytochrome c oxidase, a 13 sub-unit complex, EC:1.9.3.1 is the terminal oxidase in the mitochondrial electron transport chain. This family is composed of cytochrome c oxidase subunit Va.Domain
YAPF01215Cytochrome c oxidase subunit Vb (COX5B)Cytochrome c oxidase subunit Vb- Domain
ZAPF02046Cytochrome c oxidase subunit VIa (COX6A)Cytochrome c oxidase subunit VIa- Family
ABPF02297Cytochrome oxidase c subunit VIb (COX6B)Cytochrome oxidase c subunit VIbCytochrome c oxidase, a 13 sub-unit complex, EC:1.9.3.1 is the terminal oxidase in the mitochondrial electron transport chain. This family is composed of the potentially heme-binding subunit IVb of the oxidase.Domain
BBPF02937Cytochrome c oxidase subunit VIc (COX6C)Cytochrome c oxidase subunit VIc- Family
CBPF02238Cytochrome c oxidase subunit VII (COX7a)Cytochrome c oxidase subunit VII- Family
DBPF05392Cytochrome C oxidase chain VIIB (COX7B)Cytochrome C oxidase chain VIIB- Family
EBPF02935Cytochrome c oxidase subunit VIIc (COX7C)Cytochrome c oxidase subunit VIIc- Family
FBPF02285Cytochrome oxidase c subunit VIII (COX8)Cytochrome oxidase c subunit VIII- Family
GB, RBPF02939UcrQ family (UcrQ)UcrQ family- Family
HB, SBPF02921Ubiquinol cytochrome reductase transmembrane region (UCR_TM)Ubiquinol cytochrome reductase transmembrane region- Family
HB, SBPF09165Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N)Ubiquinol-cytochrome c reductase 8 kDa, N-terminalMembers of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1].Domain
HB, SBPF00355Rieske [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
IB, TBPF02921Ubiquinol cytochrome reductase transmembrane region (UCR_TM)Ubiquinol cytochrome reductase transmembrane region- Family
IB, TBPF09165Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N)Ubiquinol-cytochrome c reductase 8 kDa, N-terminalMembers of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1].Domain
IB, TBPF00355Rieske [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
JB, UBPF05365Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like (UCR_UQCRX_QCR9)Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like- Family
KB, VBPF02320Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)Ubiquinol-cytochrome C reductase hinge protein- Family
LB, WBPF02271Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)Ubiquinol-cytochrome C reductase complex 14kD subunit- Family
MB, XBPF08997Ubiquinol-cytochrome C reductase complex, 6.4kD protein (UCR_6-4kD)Ubiquinol-cytochrome C reductase complex, 6.4kD proteinThe ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is an essential component of the mitochondrial cellular respiratory chain. This family represents the 6.4kD protein, which may be closely linked to the iron-sulphur protein in the ...The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is an essential component of the mitochondrial cellular respiratory chain. This family represents the 6.4kD protein, which may be closely linked to the iron-sulphur protein in the complex and function as an iron-sulphur protein binding factor [1].
Domain
NB, YBPF02167Cytochrome C1 family (Cytochrom_C1)Cytochrome C1 family- Family
OB, ZBPF00032Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)Cytochrome b(C-terminal)/b6/petD- Domain
OB, ZBPF00033Cytochrome b/b6/petB (Cytochrome_B)Cytochrome b/b6/petB- Domain
AC, PBPF05193Peptidase 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
AC, PBPF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
BC, QBPF05193Peptidase 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
BC, QBPF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
XPF08122NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12)NADH-ubiquinone oxidoreductase B12 subunit family- Family
CAPF10183ESSS subunit of NADH:ubiquinone oxidoreductase (complex I) (ESSS)ESSS subunit of NADH:ubiquinone oxidoreductase (complex I)- Family

Gene Product Annotation Gene Product Annotation

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
ANADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial
BNADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial
CNADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial
ENADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 6
FNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2
G, XAcyl carrier protein, mitochondrial
HNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5
INADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7
JNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 9, mitochondrial
KNADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial
LNADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial
MNADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
NNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12
ONADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial
PNADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial
QNADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial
SNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 1
TNADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial
UNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3
VNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11
WNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13
YNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, mitochondrial
aNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial
bNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6
cNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial
dNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10
fNADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial
gNADH dehydrogenase [ubiquinone] 1 subunit C2
hNADH dehydrogenase [ubiquinone] iron-sulfur protein 5
iNADH-ubiquinone oxidoreductase chain 2
jNADH-ubiquinone oxidoreductase chain 3
kNADH-ubiquinone oxidoreductase chain 4L
lNADH-ubiquinone oxidoreductase chain 5
mNADH-ubiquinone oxidoreductase chain 6
nNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1
oNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4
pNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 9
rNADH-ubiquinone oxidoreductase chain 4
sNADH-ubiquinone oxidoreductase chain 1
uNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8
vNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7
wNADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial
xCytochrome c oxidase subunit 1
yCytochrome c oxidase subunit 2
zCytochrome c oxidase subunit 3
0Cytochrome c oxidase subunit 4 isoform 1, mitochondrial
1Cytochrome c oxidase subunit 5A, mitochondrial
2Cytochrome c oxidase subunit 5B, mitochondrial
3Cytochrome c oxidase subunit 6A2, mitochondrial
4Cytochrome c oxidase subunit 6B1
5Cytochrome c oxidase subunit 6C
6Cytochrome c oxidase subunit 7A1, mitochondrial
7Cytochrome c oxidase subunit 7B, mitochondrial
8Cytochrome c oxidase subunit 7C, mitochondrial
9Cytochrome c oxidase subunit 8B, mitochondrial
AA, ANCytochrome b-c1 complex subunit 8
AB, AOCytochrome b-c1 complex subunit Rieske, mitochondrial
AC, APCytochrome b-c1 complex subunit Rieske, mitochondrial
AD, AQCytochrome b-c1 complex subunit 9
AE, ARCytochrome b-c1 complex subunit 6, mitochondrial
AF, ASCytochrome b-c1 complex subunit 7
AG, ATCytochrome b-c1 complex subunit 10
AH, AUCytochrome c1, heme protein, mitochondrial
AJ, AVCytochrome b
AK, AWCytochrome b-c1 complex subunit 2, mitochondrial
AL, AYCytochrome b-c1 complex subunit 1, mitochondrial
ZNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3
eNADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial