6QTI | pdb_00006qti

Structure of ovine transhydrogenase in the presence of NADP+ in a "double face-down" conformation

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
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)
A	dUTPase	e6qtiA1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: dUTPase	ECOD (v294.1)
B	dUTPase	e6qtiB1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: dUTPase	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05222	Alanine dehydrogenase/PNT, N-terminal domain (AlaDh_PNT_N)	Alanine dehydrogenase/PNT, N-terminal domain	This family now also contains the lysine 2-oxoglutarate reductases.	Domain
A, B	PF01262	Alanine dehydrogenase/PNT, C-terminal domain (AlaDh_PNT_C)	Alanine dehydrogenase/PNT, C-terminal domain	This family now also contains the lysine 2-oxoglutarate reductases.	Domain
A, B	PF02233	NAD(P) transhydrogenase beta subunit (PNTB)	NAD(P) transhydrogenase beta subunit	-	Family
A, B	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
A, B	Nicotinamide nucleotide transhydrogenase	oxidoreductase activity catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding identical protein binding protein binding monoatomic cation transmembrane transporter activity active monoatomic ion 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 identical protein binding protein 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	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR026255	NAD(P) transhydrogenase, alpha subunit	Family
A, B	IPR034300	NADP transhydrogenase beta-like domain	Domain
A, B	IPR007886	Alanine dehydrogenase/pyridine nucleotide transhydrogenase, N-terminal	Domain
A, B	IPR008142	Alanine dehydrogenase/NAD(P) transhydrogenase, conserved site-1	Conserved Site
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR024605	NAD(P) transhydrogenase, alpha subunit, C-terminal	Domain
A, B	IPR008143	Alanine dehydrogenase/pyridine nucleotide transhydrogenase, conserved site-2	Conserved Site
A, B	IPR029035	DHS-like NAD/FAD-binding domain superfamily	Homologous Superfamily
A, B	IPR007698	Alanine dehydrogenase/pyridine nucleotide transhydrogenase, NAD(H)-binding domain	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Proton-translocating transhydrogenase	NAD(P) transhydrogenase

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, double face-down conformation

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.