Annotations: 1QXH

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1qxhb_	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Glutathione peroxidase-like	Thiol peroxidase Tpx	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1qxha_	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Glutathione peroxidase-like	Thiol peroxidase Tpx	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Thioredoxin-like	8057851	3000031	SCOP2B (2022-06-29)
A	SCOP2 Family	Glutathione peroxidase-like	8057850	4000042	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Thioredoxin-like	8057851	3000031	SCOP2 (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	AhpC-TSA_3	e1qxhB1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: AhpC-TSA_3	ECOD (1.6)
A	AhpC-TSA_3	e1qxhA1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: AhpC-TSA_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF08534	Redoxin (Redoxin)	Redoxin	This family of redoxins includes peroxiredoxin, thioredoxin and glutaredoxin proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Thiol peroxidase	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor hydroperoxide reductase activity catalytic activity peroxidase activity thioredoxin-dependent peroxiredoxin activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor thioredoxin peroxidase activity peroxiredoxin activity	cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress response to stress response to chemical cellular response to oxidative stress cellular process cellular response to chemical stress	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018219	Thiol peroxidase conserved site	Conserved Site
A, B	IPR013766	Thioredoxin domain	Domain
A, B	IPR013740	Redoxin	Domain
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A, B	IPR002065	Thiol peroxidase Tpx	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.