Annotations: 2WHD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Thioredoxin reductase/Flavin-dependent monoxygenase-like	8075428	4000117	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Thioredoxin reductase-like	8075429	3000050	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Thioredoxin reductase-like	8075429	3000050	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	BMC	e2whdA1	A: a/b three-layered sandwiches	X: Spectrin repeat-like	H: SH3	T: SH3	F: BMC	ECOD (v294.1)
B	HTH_3	e2whdB1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
B	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	THIOREDOXIN REDUCTASE	thioredoxin-disulfide reductase (NADPH) activity protein-disulfide reductase [NAD(P)H] activity oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity antioxidant activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding thioredoxin-disulfide reductase (NADPH) activity protein-disulfide reductase [NAD(P)H] activity oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity antioxidant activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification response to oxygen-containing compound cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification response to oxygen-containing compound cellular response to oxygen-containing compound response to reactive oxygen species response to toxic substance removal of superoxide radicals superoxide metabolic process response to oxidative stress cellular response to chemical stimulus response to chemical cellular response to superoxide metabolic process cellular process cellular response to toxic substance response to oxygen radical	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR005982	Thioredoxin reductase	Family
A, B	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B	IPR050097	Ferredoxin--NADP reductase type 2	Family
A, B	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR008255	Pyridine nucleotide-disulphide oxidoreductase, class-II, active site	Active Site

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.