Annotations: 9UD9

Cryo-EM structure of Na+-translocating NADH-ubiquinone oxidoreductase from Vibrio cholerae reduced by NADH, in the absence of Na+, down state

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	SufE/NifU	8053868	3000436	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)
A	RVP	e9ud9A1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)
B	RVP	e9ud9B1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)
C	RVP	e9ud9C1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)
D	RVP	e9ud9D1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)
E	RVP	e9ud9E1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)
F	RVP	e9ud9F1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: RVP	ECOD (v295.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Na(+)-translocating NADH-quinone reductase subunit A	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	-
B	Na(+)-translocating NADH-quinone reductase subunit B	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding riboflavin binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding riboflavin binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy transmembrane transport localization transport establishment of localization monoatomic ion transport monoatomic cation transport sodium ion transport cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy transmembrane transport localization transport establishment of localization monoatomic ion transport monoatomic cation transport sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane
C	Na(+)-translocating NADH-quinone reductase subunit C	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane
D	Na(+)-translocating NADH-quinone reductase subunit D	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane
E	Na(+)-translocating NADH-quinone reductase subunit E	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane Gram-negative-bacterium-type cell wall external encapsulating structure extracellular region cell envelope cell wall peptidoglycan-based cell wall
F	Na(+)-translocating NADH-quinone reductase subunit F	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding FAD binding flavin adenine dinucleotide binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding electron transfer activity oxidoreductase activity iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding FAD binding flavin adenine dinucleotide binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding electron transfer activity oxidoreductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR056148	NqrA, second alpha/beta domain	Domain
A	IPR056147	NqrA, N-terminal barrel-sandwich hybrid domain	Domain
A	IPR022615	Na(+)-translocating NADH-quinone reductase subunit A, C-terminal domain	Domain
A	IPR008703	Na(+)-translocating NADH-quinone reductase subunit A	Family
B	IPR010966	Na(+)-translocating NADH-quinone reductase subunit B	Family
B	IPR004338	Ion-translocating oxidoreductase NqrB/RnfD	Family
C	IPR010204	Na(+)-translocating NADH-quinone reductase subunit C	Family
C	IPR007329	FMN-binding	Domain
D	IPR003667	NqrDE/RnfAE	Family
D	IPR011292	Na(+)-translocating NADH-quinone reductase subunit D	Family
E	IPR050133	Ion-translocating oxidoreductase complex subunit A/E	Family
E	IPR010967	Na(+)-translocating NADH-quinone reductase subunit E	Family
E	IPR003667	NqrDE/RnfAE	Family
F	IPR010205	Na(+)-translocating NADH-quinone reductase subunit F	Family
F	IPR001433	Oxidoreductase FAD/NAD(P)-binding	Domain
F	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
F	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
F	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily
F	IPR008333	Flavoprotein pyridine nucleotide cytochrome reductase-like, FAD-binding domain	Domain
F	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
F	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
F	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily