Annotations: 4K2G

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01804	e4k2gA1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: PF01804	ECOD (1.6)
B	PF01804	e4k2gB1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: PF01804	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.439.10	Mainly Alpha	Orthogonal Bundle	Penicillin Amidohydrolase	domain 1	CATH (4.3.0)
B	3.60.20.10	Alpha Beta	4-Layer Sandwich	Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1	Aminohydrolase, N-terminal nucleophile (Ntn) domain	CATH (4.3.0)
B	2.30.120.10	Mainly Beta	Roll	Penicillin G acylase, beta-roll domain	Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region	CATH (4.3.0)
B	1.10.1400.10	Mainly Alpha	Orthogonal Bundle	Penicillin amidase (Acylase) alpha subunit, N-terminal domain	Aminohydrolase, alpha-helical knob region	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01804	Penicillin amidase (Penicil_amidase)	Penicillin amidase	-	Family
B	PF01804	Penicillin amidase (Penicil_amidase)	Penicillin amidase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Acyl-homoserine lactone acylase PvdQ	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds identical protein binding protein binding binding	regulation of biological process response to stimulus signaling quorum sensing biological regulation cell-cell signaling detection of cell density detection of biotic stimulus response to biotic stimulus cell communication detection of stimulus cellular process response to chemical response to antibiotic regulation of biological process response to stimulus signaling quorum sensing biological regulation cell-cell signaling detection of cell density detection of biotic stimulus response to biotic stimulus cell communication detection of stimulus cellular process response to chemical response to antibiotic antibiotic metabolic process biosynthetic process metabolic process antibiotic biosynthetic process organonitrogen compound metabolic process organonitrogen compound biosynthetic process amide biosynthetic process secondary metabolic process pyoverdine biosynthetic process organic cyclic compound metabolic process siderophore biosynthetic process organic substance metabolic process peptide biosynthetic process secondary metabolite biosynthetic process siderophore metabolic process organic cyclic compound biosynthetic process organic substance biosynthetic process amide metabolic process nonribosomal peptide biosynthetic process peptide metabolic process bacterial-type flagellum-dependent swarming motility bacterial-type flagellum-dependent cell motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms single-species biofilm formation aggregation of unicellular organisms	periplasmic space cellular anatomical entity intracellular anatomical structure cytoplasm
B	Acyl-homoserine lactone acylase PvdQ	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds identical protein binding protein binding binding	regulation of biological process response to stimulus signaling quorum sensing biological regulation cell-cell signaling detection of cell density detection of biotic stimulus response to biotic stimulus cell communication detection of stimulus cellular process response to chemical response to antibiotic regulation of biological process response to stimulus signaling quorum sensing biological regulation cell-cell signaling detection of cell density detection of biotic stimulus response to biotic stimulus cell communication detection of stimulus cellular process response to chemical response to antibiotic antibiotic metabolic process biosynthetic process metabolic process antibiotic biosynthetic process organonitrogen compound metabolic process organonitrogen compound biosynthetic process amide biosynthetic process secondary metabolic process pyoverdine biosynthetic process organic cyclic compound metabolic process siderophore biosynthetic process organic substance metabolic process peptide biosynthetic process secondary metabolite biosynthetic process siderophore metabolic process organic cyclic compound biosynthetic process organic substance biosynthetic process amide metabolic process nonribosomal peptide biosynthetic process peptide metabolic process bacterial-type flagellum-dependent swarming motility bacterial-type flagellum-dependent cell motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms single-species biofilm formation aggregation of unicellular organisms	periplasmic space cellular anatomical entity intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
A	IPR002692	Penicillin/GL-7-ACA/AHL/aculeacin-A acylase	Family
A	IPR023343	Penicillin amidase type, domain 1	Homologous Superfamily
A	IPR043147	Penicillin amidase type, A-knob	Homologous Superfamily
A	IPR043146	Penicillin amidase type, N-terminal domain, B-knob	Homologous Superfamily
A	IPR014395	Penicillin/GL-7-ACA/AHL acylase	Family
B	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
B	IPR002692	Penicillin/GL-7-ACA/AHL/aculeacin-A acylase	Family
B	IPR023343	Penicillin amidase type, domain 1	Homologous Superfamily
B	IPR043147	Penicillin amidase type, A-knob	Homologous Superfamily
B	IPR043146	Penicillin amidase type, N-terminal domain, B-knob	Homologous Superfamily
B	IPR014395	Penicillin/GL-7-ACA/AHL acylase	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.