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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF03116	e8a1uB1	A: alpha complex topology	X: Ammonium transporter-related (From Homology)	H: Ammonium transporter-related	T: Na(+)-translocating NADH-quinone reductase subunit B	F: PF03116	ECOD (1.6)
C	PF04205	e8a1uC1	A: a+b two layers	X: putative RnfG subunit of electron transport complex (From Homology)	H: putative RnfG subunit of electron transport complex	T: putative RnfG subunit of electron transport complex	F: PF04205	ECOD (1.6)
D	PF02508	e8a1uD1	A: alpha complex topology	X: Na(+)-translocating NADH-quinone reductase subunit D (From Topology)	H: Na(+)-translocating NADH-quinone reductase subunit D (From Topology)	T: Na(+)-translocating NADH-quinone reductase subunit D	F: PF02508	ECOD (1.6)
E	PF02508	e8a1uE1	A: alpha complex topology	X: Na(+)-translocating NADH-quinone reductase subunit D (From Topology)	H: Na(+)-translocating NADH-quinone reductase subunit D (From Topology)	T: Na(+)-translocating NADH-quinone reductase subunit D	F: PF02508	ECOD (1.6)
F	PF00970	e8a1uF1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF00970	ECOD (1.6)
F	PF00111	e8a1uF3	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00111	ECOD (1.6)
F	PF00175	e8a1uF2	A: a/b three-layered sandwiches	X: Ferredoxin reductase-like, C-terminal NADP-linked domain (From Topology)	H: Ferredoxin reductase-like, C-terminal NADP-linked domain (From Topology)	T: Ferredoxin reductase-like, C-terminal NADP-linked domain	F: PF00175	ECOD (1.6)

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 flavin adenine dinucleotide binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding electron transfer activity cation binding iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding electron transfer activity cation 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	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

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
B, C, D, E, F	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
B, C, D, E, F	MemProtMD	Annotated as membrane protein by MemProtMD

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.