Annotations: 4CIT

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PAP2	e4citA1	A: alpha bundles	X: Acid phosphatase/Vanadium-dependent haloperoxidase (From Topology)	H: Acid phosphatase/Vanadium-dependent haloperoxidase (From Topology)	T: Acid phosphatase/Vanadium-dependent haloperoxidase	F: PAP2	ECOD (1.6)
A	UNK_F_TYPE	e4citA2	A: alpha bundles	X: Acid phosphatase/Vanadium-dependent haloperoxidase (From Topology)	H: Acid phosphatase/Vanadium-dependent haloperoxidase (From Topology)	T: Acid phosphatase/Vanadium-dependent haloperoxidase	F: UNK_F_TYPE	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.606.20	Mainly Alpha	Orthogonal Bundle	Vanadium-containing Chloroperoxidase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01569	PAP2 superfamily (PAP2)	PAP2 superfamily	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	VANADIUM-DEPENDENT HALOPEROXIDASE	peroxidase activity oxidoreductase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036938	Phosphatidic acid phosphatase type 2/haloperoxidase superfamily	Homologous Superfamily
A	IPR000326	Phosphatidic acid phosphatase type 2/haloperoxidase	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	OCS	Parent Component: CYS RESID: AA0556 PSI-MOD : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.