1KNC

Structure of AhpD from Mycobacterium tuberculosis, a novel enzyme with thioredoxin-like activity.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1knca_	All alpha proteins	AhpD-like	AhpD-like	AhpD	Antioxidant defense protein AhpD	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)
B	d1kncb_	All alpha proteins	AhpD-like	AhpD-like	AhpD	Antioxidant defense protein AhpD	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)
C	d1kncc_	All alpha proteins	AhpD-like	AhpD-like	AhpD	Antioxidant defense protein AhpD	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	AhpD	8025940	4002925	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	AhpD-like	8038319	3001907	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	AhpD-like	8038319	3001907	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	AhpD-like	8038319	3001907	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	PF02627	e1kncA1	A: alpha arrays	X: AhpD-like (From Topology)	H: AhpD-like (From Topology)	T: AhpD-like	F: PF02627	ECOD (1.6)
B	PF02627	e1kncB1	A: alpha arrays	X: AhpD-like (From Topology)	H: AhpD-like (From Topology)	T: AhpD-like	F: PF02627	ECOD (1.6)
C	PF02627	e1kncC1	A: alpha arrays	X: AhpD-like (From Topology)	H: AhpD-like (From Topology)	T: AhpD-like	F: PF02627	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1290.10	Mainly Alpha	Up-down Bundle	AhpD-like	AhpD-like	CATH (4.3.0)
B	1.20.1290.10	Mainly Alpha	Up-down Bundle	AhpD-like	AhpD-like	CATH (4.3.0)
C	1.20.1290.10	Mainly Alpha	Up-down Bundle	AhpD-like	AhpD-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF02627	Carboxymuconolactone decarboxylase family (CMD)	Carboxymuconolactone decarboxylase family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	AhpD protein	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 antioxidant activity oxidoreductase activity, acting on peroxide as acceptor peroxiredoxin activity alkyl hydroperoxide reductase activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor disulfide oxidoreductase activity	response to oxidative stress response to stimulus response to stress cell redox homeostasis cellular homeostasis homeostatic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR004674	Alkylhydroperoxidase AhpD	Family
A, B, C	IPR003779	Carboxymuconolactone decarboxylase-like	Domain
A, B, C	IPR029032	AhpD-like	Homologous Superfamily
A, B, C	IPR004675	Alkylhydroperoxidase AhpD core	Domain

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.