3E4W | pdb_00003e4w

Crystal structure of a 33kDa catalase-related protein from Mycobacterium avium subsp. paratuberculosis. P2(1)2(1)2(1) crystal form.

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e3e4wA1	A: Spectrin repeat-like	X: SH3	H: SH3	T: Esterase	F:	ECOD (20:10:01)
B		e3e4wB1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: YgbB	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1280.120	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)
A	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (4.3.0)
B	1.20.1280.120	Mainly Alpha	Up-down Bundle	Monooxygenase		CATH (4.3.0)
B	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00199	Catalase (Catalase)	Catalase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative uncharacterized protein	peroxidase activity oxidoreductase activity antioxidant activity catalase activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding peroxidase activity oxidoreductase activity antioxidant activity catalase activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process regulation of biological process regulation of cellular process biological regulation regulation of metabolic process regulation of reactive oxygen species metabolic process response to hydrogen peroxide response to oxidative stress response to stimulus catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process regulation of biological process regulation of cellular process biological regulation regulation of metabolic process regulation of reactive oxygen species metabolic process response to hydrogen peroxide response to oxidative stress response to stimulus response to stress response to chemical response to oxygen-containing compound response to reactive oxygen species	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR024168	Catalase, SrpA-type, predicted	Family
A, B	IPR020835	Catalase superfamily	Homologous Superfamily
A, B	IPR011614	Catalase core domain	Domain
A, B	IPR018028	Catalase, mono-functional, haem-containing	Family

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.