Annotations: 4XIH

Crystal structure of the R116A mutant AhpE from Mycobacterium tuberculosis

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Thioredoxin-like	8057911	3000031	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin-like	8057911	3000031	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)
B	Pyr_redox_2	e4xihB1	A: beta barrels	X: Spectrin repeat-like	H: EF-hand-related	T: EF-hand	F: Pyr_redox_2	ECOD (v294.2)
A	Pyr_redox_2	e4xihA1	A: beta barrels	X: Spectrin repeat-like	H: EF-hand-related	T: EF-hand	F: Pyr_redox_2	ECOD (v294.2)

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	PF00578	AhpC/TSA family (AhpC-TSA)	AhpC/TSA family	This family contains proteins related to alkyl hydroperoxide reductase (AhpC) and thiol specific antioxidant (TSA).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	AhpC/TSA family protein	peroxidase activity oxidoreductase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity peroxiredoxin activity thioredoxin-dependent peroxiredoxin activity thioredoxin peroxidase activity	cell redox homeostasis cellular homeostasis homeostatic process response to nitrosative stress response to stimulus response to stress cellular response to stimulus response to oxidative stress cellular response to chemical stimulus cellular response to stress response to chemical cellular response to oxidative stress cellular process cellular response to chemical stress	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR024706	Peroxiredoxin, AhpC-type	Family
A, B	IPR013766	Thioredoxin domain	Domain
A, B	IPR050455	Thiol Peroxidase Tpx Subfamily	Family
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A, B	IPR000866	Alkyl hydroperoxide reductase subunit C/ Thiol specific antioxidant	Domain

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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.