Annotations: 4QON

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4qonb_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	automated matches	automated matches	(Bacillus pumilus ) [TaxId: 1408 ],	SCOPe (2.08)
A	d4qona_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	automated matches	automated matches	(Bacillus pumilus ) [TaxId: 1408 ],	SCOPe (2.08)
C	d4qonc_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	automated matches	automated matches	(Bacillus pumilus ) [TaxId: 1408 ],	SCOPe (2.08)
D	d4qond_	Multi-domain proteins (alpha and beta)	Heme-dependent catalase-like	Heme-dependent catalase-like	automated matches	automated matches	(Bacillus pumilus ) [TaxId: 1408 ],	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	Catalase	e4qonB3	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: Catalase	ECOD (1.6)
B	Catalase_1	e4qonB2	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: Catalase_1	ECOD (1.6)
B	Catalase-rel	e4qonB1	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: Catalase-rel	ECOD (1.6)
A	Catalase	e4qonA2	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: Catalase	ECOD (1.6)
A	Catalase_1	e4qonA1	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: Catalase_1	ECOD (1.6)
A	Catalase-rel	e4qonA3	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: Catalase-rel	ECOD (1.6)
C	Catalase	e4qonC2	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: Catalase	ECOD (1.6)
C	Catalase_1	e4qonC3	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: Catalase_1	ECOD (1.6)
C	Catalase-rel	e4qonC1	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: Catalase-rel	ECOD (1.6)
D	Catalase	e4qonD3	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: Catalase	ECOD (1.6)
D	Catalase_1	e4qonD1	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: Catalase_1	ECOD (1.6)
D	Catalase-rel	e4qonD2	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: Catalase-rel	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 (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)
C	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (4.3.0)
D	2.40.180.10	Mainly Beta	Beta Barrel	Catalase HpII, Chain A, domain 1	Catalase core domain	CATH (4.3.0)

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.