6QA9 | pdb_00006qa9

Isolated complex I class refinement from Ovine respiratory 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: OPM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
X [auth D2]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8047670	3002280	SCOP2B (2022-06-29)
X [auth D2]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054160	3002280	SCOP2B (2022-06-29)
W [auth D4]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8048501	3002280	SCOP2B (2022-06-29)
W [auth D4]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054155	3002280	SCOP2B (2022-06-29)
V [auth D5]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8048258	3002280	SCOP2B (2022-06-29)
V [auth D5]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8047664	3002280	SCOP2B (2022-06-29)
U [auth 4L]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8053514	3002200	SCOP2B (2022-06-29)
T [auth D6]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8053518	3002200	SCOP2B (2022-06-29)
S [auth D1]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054146	3002280	SCOP2B (2022-06-29)
R [auth D3]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8106704	3002200	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I [auth S6]	ubiquitin	e6qa9S61	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
G [auth S8]	ubiquitin	e6qa9S81	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
F [auth S7]	ubiquitin	e6qa9S71	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
E [auth S3]	ubiquitin	e6qa9S31	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
SA [auth A1]	ubiquitin	e6qa9A11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
RA [auth B1]	ubiquitin	e6qa9B11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
QA [auth C1]	ubiquitin	e6qa9C11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
NA [auth B2]	ubiquitin	e6qa9B21	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
MA [auth B9]	ubiquitin	e6qa9B91	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
JA [auth AM]	ubiquitin	e6qa9AM1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
HA [auth C2]	ubiquitin	e6qa9C21	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
FA [auth A3]	ubiquitin	e6qa9A31	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
EA [auth S5]	ubiquitin	e6qa9S51	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
C [auth S1]	ubiquitin	e6qa9S11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
DA [auth AJ]	ubiquitin	e6qa9AJ1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
CA [auth BJ]	ubiquitin	e6qa9BJ1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
BA [auth A8]	ubiquitin	e6qa9A81	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
Z [auth B5]	ubiquitin	e6qa9B51	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
X [auth D2]	ubiquitin	e6qa9D21	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
W [auth D4]	ubiquitin	e6qa9D41	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
V [auth D5]	ubiquitin	e6qa9D51	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
U [auth 4L]	ubiquitin	e6qa94L1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
T [auth D6]	ubiquitin	e6qa9D61	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
B [auth V2]	ubiquitin	e6qa9V21	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
S [auth D1]	ubiquitin	e6qa9D11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
R [auth D3]	ubiquitin	e6qa9D31	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
Q [auth AA]	ubiquitin	e6qa9AA1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
AA [auth AB]	ubiquitin	e6qa9AB1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
P [auth AL]	ubiquitin	e6qa9AL1	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
N [auth A6]	ubiquitin	e6qa9A61	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
M [auth A5]	ubiquitin	e6qa9A51	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
L [auth A2]	ubiquitin	e6qa9A21	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
K [auth A9]	ubiquitin	e6qa9A91	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
J [auth S4]	ubiquitin	e6qa9S41	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)
A [auth V1]	ubiquitin	e6qa9V11	A: alpha bundles	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ubiquitin	ECOD (develop294)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
X [auth D2]	PF00361	NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)	NADH:quinone oxidoreductase/Mrp antiporter, TM	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 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
X [auth D2]	PF06444	NADH dehydrogenase subunit 2 C-terminus (NADH_dehy_S2_C)	NADH dehydrogenase subunit 2 C-terminus	This family consists of the C-terminal region specific to the eukaryotic NADH dehydrogenase subunit 2 protein and is found in conjunction with Pfam:PF00361.	Domain
W [auth D4]	PF00361	NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)	NADH:quinone oxidoreductase/Mrp antiporter, TM	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 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
W [auth D4]	PF01059	NADH-ubiquinone oxidoreductase chain 4, amino terminus (Oxidored_q5_N)	NADH-ubiquinone oxidoreductase chain 4, amino terminus	This 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
V [auth D5]	PF00361	NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M)	NADH:quinone oxidoreductase/Mrp antiporter, TM	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 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
V [auth D5]	PF06455	NADH dehydrogenase subunit 5 C-terminus (NADH5_C)	NADH dehydrogenase subunit 5 C-terminus	This entry represents the C-terminal region of several NADH dehydrogenase subunit 5 proteins and is found in conjunction with Pfam:PF00361 and Pfam:PF00662.	Domain
V [auth D5]	PF00662	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N)	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus	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 ...	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
U [auth 4L]	PF00420	NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2)	NADH-ubiquinone/plastoquinone oxidoreductase chain 4L	-	Family
T [auth D6]	PF00499	NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3)	NADH-ubiquinone/plastoquinone oxidoreductase chain 6	-	Family
S [auth D1]	PF00146	NADH dehydrogenase (NADHdh)	NADH dehydrogenase	-	Family
R [auth D3]	PF00507	NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4)	NADH-ubiquinone/plastoquinone oxidoreductase, chain 3	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth S6]	NDUFS6	-	-	-
H [auth V3]	NDUFV3	-	-	-
G [auth S8]	NDUFS8	-	-	-
F [auth S7]	NDUFS7	-	-	-
E [auth S3]	NADH:ubiquinone oxidoreductase core subunit S3	-	-	-
SA [auth A1]	NDUFA1	-	-	-
RA [auth B1]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1	-	-	-
QA [auth C1]	NDUFC1	-	-	-
PA [auth BK]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 11, mitochondrial	-	-	-
OA [auth B8]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial	-	-	-
D [auth S2]	NDUFS2	-	-	-
NA [auth B2]	NADH:ubiquinone oxidoreductase subunit B2	-	-	-
MA [auth B9]	NADH:ubiquinone oxidoreductase subunit B9	-	-	-
LA [auth B7]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7	-	-	-
KA [auth B6]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 6	-	-	-
JA [auth AM]	NDUFA13	-	-	-
IA [auth B4]	NADH:ubiquinone oxidoreductase subunit B4	-	-	-
HA [auth C2]	NADH dehydrogenase [ubiquinone] 1 subunit C2	-	-	-
GA [auth B3]	NADH:ubiquinone oxidoreductase subunit B3	-	-	-
FA [auth A3]	NADH:ubiquinone oxidoreductase subunit A3	-	-	-
EA [auth S5]	NADH:ubiquinone oxidoreductase subunit S5	-	-	-
C [auth S1]	NADH:ubiquinone oxidoreductase core subunit S1	-	-	-
DA [auth AJ]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial	-	-	-
CA [auth BJ]	NDUFB10	-	-	-
BA [auth A8]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8	-	-	-
Z [auth B5]	NADH:ubiquinone oxidoreductase subunit B5	-	-	-
Y [auth AK]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11	-	-	-
X [auth D2]	NADH-ubiquinone oxidoreductase chain 2	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization reactive oxygen species metabolic process metabolic process protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization reactive oxygen species metabolic process metabolic process 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, NADH to ubiquinone respiratory electron transport chain 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
W [auth D4]	NADH-ubiquinone oxidoreductase chain 4	binding quinone binding ubiquinone binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity binding quinone binding ubiquinone binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	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 cellular process monoatomic cation transport protein-containing complex organization NADH dehydrogenase complex assembly 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 cellular process monoatomic cation transport protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization 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, NADH to ubiquinone respiratory electron transport chain metabolic 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
V [auth D5]	NADH-ubiquinone oxidoreductase chain 5	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	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 cellular process monoatomic cation transport protein-containing complex organization NADH dehydrogenase complex assembly 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 cellular process monoatomic cation transport protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization 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, NADH to ubiquinone respiratory electron transport chain metabolic 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
U [auth 4L]	NADH-ubiquinone oxidoreductase chain 4L	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
T [auth D6]	NADH-ubiquinone oxidoreductase chain 6	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization 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, NADH to ubiquinone respiratory electron transport chain metabolic 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
B [auth V2]	NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial	-	-	-
S [auth D1]	NADH-ubiquinone oxidoreductase chain 1	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration protein-containing complex organization NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization 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, NADH to ubiquinone respiratory electron transport chain metabolic 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
R [auth D3]	NADH-ubiquinone oxidoreductase chain 3	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	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, NADH to ubiquinone 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 respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
AA [auth AB], Q [auth AA]	Acyl carrier protein	-	-	-
P [auth AL]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12	-	-	-
O [auth A7]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7	-	-	-
N [auth A6]	NADH:ubiquinone oxidoreductase subunit A6	-	-	-
M [auth A5]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5	-	-	-
L [auth A2]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2	-	-	-
K [auth A9]	NADH:ubiquinone oxidoreductase subunit A9	-	-	-
J [auth S4]	NADH:ubiquinone oxidoreductase subunit S4	-	-	-
A [auth V1]	NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
X [auth D2]	IPR010933	NADH dehydrogenase subunit 2, C-terminal	Domain
X [auth D2]	IPR003917	NADH:ubiquinone oxidoreductase, chain 2	Family
X [auth D2]	IPR050175	Complex I Subunit 2	Family
X [auth D2]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domain	Domain
W [auth D4]	IPR003918	NADH:ubiquinone oxidoreductase	Family
W [auth D4]	IPR010227	NADH-quinone oxidoreductase, chain M/4	Family
W [auth D4]	IPR000260	NADH:ubiquinone oxidoreductase chain 4, N-terminal	Domain
W [auth D4]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domain	Domain
V [auth D5]	IPR003945	NADH-quinone oxidoreductase, chain 5-like	Family
V [auth D5]	IPR010934	NADH dehydrogenase subunit 5, C-terminal	Domain
V [auth D5]	IPR001516	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminal	Domain
V [auth D5]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, transmembrane domain	Domain
V [auth D5]	IPR018393	NADH-plastoquinone oxidoreductase, chain 5 subgroup	Family
U [auth 4L]	IPR001133	NADH-ubiquinone oxidoreductase chain 4L/K	Family
U [auth 4L]	IPR039428	NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-like	Family
T [auth D6]	IPR050269	Complex I Subunit 6	Family
T [auth D6]	IPR042106	NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ	Homologous Superfamily
T [auth D6]	IPR001457	NADH:ubiquinone/plastoquinone oxidoreductase, chain 6	Family
S [auth D1]	IPR001694	NADH:ubiquinone oxidoreductase, subunit 1/F420H2 oxidoreductase subunit H	Family
S [auth D1]	IPR018086	NADH:ubiquinone oxidoreductase, subunit 1, conserved site	Conserved Site
R [auth D3]	IPR000440	NADH:ubiquinone/plastoquinone oxidoreductase, chain 3	Family
R [auth D3]	IPR038430	NADH:ubiquinone oxidoreductase, subunit 3 superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
R [auth D3], S [auth D1], T [auth D6], U [auth 4L], V [auth D5] R [auth D3], S [auth D1], T [auth D6], U [auth 4L], V [auth D5], W [auth D4], X [auth D2]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex I (NADH dehydrogenase) and supercomplexes	H+ or Na+ translocating NADH dehydrogenase

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
R [auth D3], S [auth D1], T [auth D6], U [auth 4L], V [auth D5] R [auth D3], S [auth D1], T [auth D6], U [auth 4L], V [auth D5], W [auth D4], X [auth D2]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Supercomplexes (Respirasome)	Electron Transport Chain (ETC) Super Complex I+III₂, closed class