Annotations: 8A1U

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	alpha-helical ferredoxin	8092397	3000026	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nqo1 FMN-binding domain-like	8092394	3001265	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Single hybrid motif	8092392	3001880	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nqo1 middle domain-like	8092395	3000871	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ammonium transporter	8092391	3001978	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SufE/NifU	8053870	3000436	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	NqrD-NqrE-like	8092389	3002603	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	NqrD-NqrE-like	8092390	3002603	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11973	NQRA C-terminal domain (NQRA_SLBB)	NQRA C-terminal domain	This family consists of the C-terminal domain of several bacterial Na(+)-translocating NADH-quinone reductase subunit A (NQRA) proteins. The Na(+)-translocating NADH: ubiquinone oxidoreductase (Na(+)-NQR) generates an electrochemical Na(+) potential ...	This family consists of the C-terminal domain of several bacterial Na(+)-translocating NADH-quinone reductase subunit A (NQRA) proteins. The Na(+)-translocating NADH: ubiquinone oxidoreductase (Na(+)-NQR) generates an electrochemical Na(+) potential driven by aerobic respiration [1].	Domain
A	PF05896	Na(+)-translocating NADH-quinone reductase subunit A (NQRA) (NQRA)	Na(+)-translocating NADH-quinone reductase subunit A (NQRA)	-	Family
B	PF03116	NQR2, RnfD, RnfE family (NQR2_RnfD_RnfE)	NQR2, RnfD, RnfE family	-	Family
C	PF04205	FMN-binding domain (FMN_bind)	FMN-binding domain	This conserved region includes the FMN-binding site of the NqrC protein [1] as well as the NosR and NirI regulatory proteins. This domain is post-translationally flavinylated that may facilitate electron transfer, and thus, resembles multiheme cytoch ...	This conserved region includes the FMN-binding site of the NqrC protein [1] as well as the NosR and NirI regulatory proteins. This domain is post-translationally flavinylated that may facilitate electron transfer, and thus, resembles multiheme cytochromes [3].	Domain
D	PF02508	Rnf-Nqr subunit, membrane protein (Rnf-Nqr)	Rnf-Nqr subunit, membrane protein	-	Family
E	PF02508	Rnf-Nqr subunit, membrane protein (Rnf-Nqr)	Rnf-Nqr subunit, membrane protein	-	Family
F	PF00175	Oxidoreductase NAD-binding domain (NAD_binding_1)	Oxidoreductase NAD-binding domain	Xanthine dehydrogenases, that also bind FAD/NAD, have essentially no similarity.	Domain
F	PF00111	2Fe-2S iron-sulfur cluster binding domain (Fer2)	2Fe-2S iron-sulfur cluster binding domain	-	Domain
F	PF00970	Oxidoreductase FAD-binding domain (FAD_binding_6)	Oxidoreductase FAD-binding domain	-	Domain

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	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion 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 binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion 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	cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy transmembrane transport localization transport establishment of localization monoatomic ion transport monoatomic cation transport cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy transmembrane transport localization transport establishment of localization monoatomic ion transport monoatomic cation transport sodium ion transport metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity
C	Na(+)-translocating NADH-quinone reductase subunit C	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion 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 binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion 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 plasma membrane membrane cellular anatomical entity
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 plasma membrane membrane cellular anatomical entity
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 cellular metabolic process 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 cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity Gram-negative-bacterium-type cell wall external encapsulating structure 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 electron transfer activity cation binding ion binding metal ion 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 plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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