Annotations: 4BWC

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phospholipase B-like	8046669	4005229	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Class II glutamine amidotransferases	8103581	3000131	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Phospholip_B	e4bwcA1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: Phospholip_B	ECOD (1.6)
B	Phospholip_B	e4bwcB1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: Phospholip_B	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.70.60	Mainly Beta	Ribbon	Complement Module	domain 1	CATH (4.3.0)
A	1.10.439.20	Mainly Alpha	Orthogonal Bundle	Penicillin Amidohydrolase	domain 1	CATH (4.3.0)
B	3.60.60.20	Alpha Beta	4-Layer Sandwich	Penicillin V Acylase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04916	Phospholipase B (Phospholip_B)	Phospholipase B	-	Family
B	PF04916	Phospholipase B (Phospholip_B)	Phospholipase B	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PHOSPHOLIPASE B-LIKE 1	hydrolase activity, acting on ester bonds hydrolase activity catalytic activity phospholipase activity lipase activity	lipid catabolic process catabolic process phospholipid catabolic process cellular metabolic process organophosphate catabolic process primary metabolic process cellular lipid catabolic process cellular catabolic process phospholipid metabolic process organic substance metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process lipid catabolic process catabolic process phospholipid catabolic process cellular metabolic process organophosphate catabolic process primary metabolic process cellular lipid catabolic process cellular catabolic process phospholipid metabolic process organic substance metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process organic substance catabolic process lipid metabolic process	extracellular region cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cytoplasm intracellular membrane-bounded organelle lysosome
B	PHOSPHOLIPASE B-LIKE 1	hydrolase activity, acting on ester bonds hydrolase activity catalytic activity phospholipase activity lipase activity	lipid catabolic process catabolic process phospholipid catabolic process cellular metabolic process organophosphate catabolic process primary metabolic process cellular lipid catabolic process cellular catabolic process phospholipid metabolic process organic substance metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process lipid catabolic process catabolic process phospholipid catabolic process cellular metabolic process organophosphate catabolic process primary metabolic process cellular lipid catabolic process cellular catabolic process phospholipid metabolic process organic substance metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process organic substance catabolic process lipid metabolic process	extracellular region cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cytoplasm intracellular membrane-bounded organelle lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043042	Phospholipase B-like, domain 3	Homologous Superfamily
A	IPR043041	Phospholipase B-like, domain 2	Homologous Superfamily
A	IPR043040	Phospholipase B-like, domain 1	Homologous Superfamily
A	IPR007000	Phospholipase B-like	Family
B	IPR043042	Phospholipase B-like, domain 3	Homologous Superfamily
B	IPR043041	Phospholipase B-like, domain 2	Homologous Superfamily
B	IPR043040	Phospholipase B-like, domain 1	Homologous Superfamily
B	IPR007000	Phospholipase B-like	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	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.