5UNI | pdb_00005uni

Critical role of water molecules for proton translocation of the membrane-bound transhydrogenase

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PNTB_N	e5uniB1	A: alpha bundles	X: Transhydrogeanse domain II (From Topology)	H: Transhydrogeanse domain II (From Topology)	T: Transhydrogeanse domain II	F: PNTB_N	ECOD (1.6)
A	PNTB_4TM	e5uniA1	A: alpha bundles	X: Transhydrogeanse domain II (From Topology)	H: Transhydrogeanse domain II (From Topology)	T: Transhydrogeanse domain II	F: PNTB_4TM	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF02233	NAD(P) transhydrogenase beta subunit (PNTB)	NAD(P) transhydrogenase beta subunit	-	Family
A	PF12769	4TM region of pyridine nucleotide transhydrogenase, mitoch (PNTB_4TM)	4TM region of pyridine nucleotide transhydrogenase, mitoch	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	NAD(P) transhydrogenase subunit beta	oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding monoatomic cation transmembrane transporter activity active monoatomic ion transmembrane transporter activity proton transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding monoatomic cation transmembrane transporter activity active monoatomic ion transmembrane transporter activity proton transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity proton-translocating NAD(P)+ transhydrogenase activity	-	cell periphery cellular anatomical structure plasma membrane membrane
A	NAD(P) transhydrogenase subunit alpha 2	oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding monoatomic cation transmembrane transporter activity active monoatomic ion transmembrane transporter activity proton transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding monoatomic cation transmembrane transporter activity active monoatomic ion transmembrane transporter activity proton transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity proton-translocating NAD(P)+ transhydrogenase activity	nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process generation of precursor metabolites and energy nucleotide metabolic process NADP+ metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process NADPH regeneration purine nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process generation of precursor metabolites and energy nucleotide metabolic process NADP+ metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process NADPH regeneration purine nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process metabolic process cellular process small molecule metabolic process phosphorus metabolic process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR034300	NADP transhydrogenase beta-like domain	Domain
B	IPR029035	DHS-like NAD/FAD-binding domain superfamily	Homologous Superfamily
B	IPR012136	NADP transhydrogenase, beta subunit	Family
A	IPR024605	NAD(P) transhydrogenase, alpha subunit, C-terminal	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Transhydrogenases	Nicotinamide nucleotide transhydrogenase (TH) proton channel domain, pH 6.5

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 R01GM157729.