Annotations: 6RJN

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6rjnb_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	Heme-dependent catalases	automated matches	(Komagataella pastoris ) [TaxId: 4922 ],	SCOPe (2.08)
C	d6rjnc_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	Heme-dependent catalases	automated matches	(Komagataella pastoris ) [TaxId: 4922 ],	SCOPe (2.08)
D	d6rjnd_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	Heme-dependent catalases	automated matches	(Komagataella pastoris ) [TaxId: 4922 ],	SCOPe (2.08)
A	d6rjna_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	Heme-dependent catalases	automated matches	(Komagataella pastoris ) [TaxId: 4922 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF00199	e6rjnB3	A: beta barrels	X: Barrel domain in heme-dependent catalases (From Topology)	H: Barrel domain in heme-dependent catalases (From Topology)	T: Barrel domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
B	PF00199	e6rjnB2	A: alpha bundles	X: First alpha-helical domain in heme-dependent catalases (From Topology)	H: First alpha-helical domain in heme-dependent catalases (From Topology)	T: First alpha-helical domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
B	PF06628	e6rjnB1	A: alpha bundles	X: Second alpha-helical domain in heme-dependent catalases (From Topology)	H: Second alpha-helical domain in heme-dependent catalases (From Topology)	T: Second alpha-helical domain in heme-dependent catalases	F: PF06628	ECOD (1.6)
C	PF00199	e6rjnC2	A: beta barrels	X: Barrel domain in heme-dependent catalases (From Topology)	H: Barrel domain in heme-dependent catalases (From Topology)	T: Barrel domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
C	PF00199	e6rjnC1	A: alpha bundles	X: First alpha-helical domain in heme-dependent catalases (From Topology)	H: First alpha-helical domain in heme-dependent catalases (From Topology)	T: First alpha-helical domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
C	PF06628	e6rjnC3	A: alpha bundles	X: Second alpha-helical domain in heme-dependent catalases (From Topology)	H: Second alpha-helical domain in heme-dependent catalases (From Topology)	T: Second alpha-helical domain in heme-dependent catalases	F: PF06628	ECOD (1.6)
D	PF00199	e6rjnD1	A: beta barrels	X: Barrel domain in heme-dependent catalases (From Topology)	H: Barrel domain in heme-dependent catalases (From Topology)	T: Barrel domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
D	PF00199	e6rjnD2	A: alpha bundles	X: First alpha-helical domain in heme-dependent catalases (From Topology)	H: First alpha-helical domain in heme-dependent catalases (From Topology)	T: First alpha-helical domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
D	PF06628	e6rjnD3	A: alpha bundles	X: Second alpha-helical domain in heme-dependent catalases (From Topology)	H: Second alpha-helical domain in heme-dependent catalases (From Topology)	T: Second alpha-helical domain in heme-dependent catalases	F: PF06628	ECOD (1.6)
A	PF00199	e6rjnA3	A: beta barrels	X: Barrel domain in heme-dependent catalases (From Topology)	H: Barrel domain in heme-dependent catalases (From Topology)	T: Barrel domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
A	PF00199	e6rjnA2	A: alpha bundles	X: First alpha-helical domain in heme-dependent catalases (From Topology)	H: First alpha-helical domain in heme-dependent catalases (From Topology)	T: First alpha-helical domain in heme-dependent catalases	F: PF00199	ECOD (1.6)
A	PF06628	e6rjnA1	A: alpha bundles	X: Second alpha-helical domain in heme-dependent catalases (From Topology)	H: Second alpha-helical domain in heme-dependent catalases (From Topology)	T: Second alpha-helical domain in heme-dependent catalases	F: PF06628	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (utative)
C	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (utative)
D	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (utative)
A	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF06628	Catalase-related immune-responsive (Catalase-rel)	Catalase-related immune-responsive	-	Family
A, B, C, D	PF00199	Catalase (Catalase)	Catalase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Catalase	peroxidase activity oxidoreductase activity antioxidant activity catalase activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding tetrapyrrole binding heme binding peroxidase activity oxidoreductase activity antioxidant activity catalase activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding tetrapyrrole binding heme binding cation binding ion binding metal ion binding	cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process response to hydrogen peroxide response to oxidative stress response to stimulus response to stress response to chemical response to oxygen-containing compound cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic 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	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle peroxisome microbody

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR024708	Catalase active site	Active Site
A, B, C, D	IPR010582	Catalase immune-responsive domain	Domain
A, B, C, D	IPR002226	Catalase haem-binding site	Binding Site
A, B, C, D	IPR020835	Catalase superfamily	Homologous Superfamily
A, B, C, D	IPR024711	Catalase, mono-functional, haem-containing, clades 1 and 3	Family
A, B, C, D	IPR011614	Catalase core domain	Domain
A, B, C, D	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 R01GM133198.