Annotations: 2P3E

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e2p3eA1	A: Carbon-nitrogen hydrolase-like	X: Metallo-dependent phosphatases	H: Metallo-dependent phosphatases	T: TetR_C_21	F:	ECOD (20:10:01)
B		e2p3eB1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: DAO, NAD_binding_8	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.37.10	Mainly Beta	Beta Barrel	Lyase, Ornithine Decarboxylase	Chain A, domain 1	CATH (4.3.0)
A	3.20.20.10	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Alanine racemase	CATH (4.3.0)
B	2.40.37.10	Mainly Beta	Beta Barrel	Lyase, Ornithine Decarboxylase	Chain A, domain 1	CATH (4.3.0)
B	3.20.20.10	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Alanine racemase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02784	Pyridoxal-dependent decarboxylase, pyridoxal binding domain (Orn_Arg_deC_N)	Pyridoxal-dependent decarboxylase, pyridoxal binding domain	These pyridoxal-dependent decarboxylases acting on ornithine, lysine, arginine and related substrates This domain has a TIM barrel fold.	Domain
A, B	PF00278	Pyridoxal-dependent decarboxylase, C-terminal sheet domain (Orn_DAP_Arg_deC)	Pyridoxal-dependent decarboxylase, C-terminal sheet domain	These pyridoxal-dependent decarboxylases act on ornithine, lysine, arginine and related substrates.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Diaminopimelate decarboxylase	vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding anion binding heterocyclic compound binding small molecule binding diaminopimelate decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity	lysine metabolic process oxoacid metabolic process L-lysine biosynthetic process aspartate family amino acid biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process L-lysine biosynthetic process via diaminopimelate small molecule metabolic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process lysine metabolic process oxoacid metabolic process L-lysine biosynthetic process aspartate family amino acid biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process L-lysine biosynthetic process via diaminopimelate small molecule metabolic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process primary metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process metabolic process cellular process alpha-amino acid biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR029066	PLP-binding barrel	Homologous Superfamily
A, B	IPR022643	Orn/DAP/Arg decarboxylase 2, C-terminal	Domain
A, B	IPR009006	Alanine racemase/group IV decarboxylase, C-terminal	Homologous Superfamily
A, B	IPR000183	Ornithine/DAP/Arg decarboxylase	Family
A, B	IPR022657	Orn/DAP/Arg decarboxylase 2, conserved site	Conserved Site
A, B	IPR022644	Orn/DAP/Arg decarboxylase 2, N-terminal	Domain
A, B	IPR002986	Diaminopimelate decarboxylase, LysA	Family
A, B	IPR022653	Orn/DAP/Arg decarboxylase 2, pyridoxal-phosphate binding site	Binding Site

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.