Annotations: 3N75

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	OKR_DC_1_C	e3n75A6	A: a+b two layers	X: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: OKR_DC_1_C	ECOD (1.6)
A	OKR_DC_1_3rd	e3n75A7	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: OKR_DC_1_3rd	ECOD (1.6)
A	OKR_DC_1_N	e3n75A4	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: OKR_DC_1_N	ECOD (1.6)
A	OKR_DC_1_N2	e3n75A5	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: OKR_DC_1_N2	ECOD (1.6)
B	OKR_DC_1_C	e3n75B6	A: a+b two layers	X: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: OKR_DC_1_C	ECOD (1.6)
B	OKR_DC_1_3rd	e3n75B7	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: OKR_DC_1_3rd	ECOD (1.6)
B	OKR_DC_1_N	e3n75B3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: OKR_DC_1_N	ECOD (1.6)
B	OKR_DC_1_N2	e3n75B5	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: OKR_DC_1_N2	ECOD (1.6)
C	OKR_DC_1_C	e3n75C6	A: a+b two layers	X: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: OKR_DC_1_C	ECOD (1.6)
C	OKR_DC_1_3rd	e3n75C7	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: OKR_DC_1_3rd	ECOD (1.6)
C	OKR_DC_1_N	e3n75C3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: OKR_DC_1_N	ECOD (1.6)
C	OKR_DC_1_N2	e3n75C5	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: OKR_DC_1_N2	ECOD (1.6)
D	OKR_DC_1_C	e3n75D6	A: a+b two layers	X: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: OKR_DC_1_C	ECOD (1.6)
D	OKR_DC_1_3rd	e3n75D7	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: OKR_DC_1_3rd	ECOD (1.6)
D	OKR_DC_1_N	e3n75D3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: OKR_DC_1_N	ECOD (1.6)
D	OKR_DC_1_N2	e3n75D5	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: OKR_DC_1_N2	ECOD (1.6)
E	OKR_DC_1_C	e3n75E6	A: a+b two layers	X: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: OKR_DC_1_C	ECOD (1.6)
E	OKR_DC_1_3rd	e3n75E7	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: OKR_DC_1_3rd	ECOD (1.6)
E	OKR_DC_1_N	e3n75E3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: OKR_DC_1_N	ECOD (1.6)
E	OKR_DC_1_N2	e3n75E5	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: OKR_DC_1_N2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
A	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
A	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
A	3.90.100.10	Alpha Beta	Alpha-Beta Complex	Ornithine Decarboxylase	Chain A, domain 4	CATH (4.3.0)
B	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
B	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
B	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
B	3.90.100.10	Alpha Beta	Alpha-Beta Complex	Ornithine Decarboxylase	Chain A, domain 4	CATH (4.3.0)
C	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
C	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
C	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
C	3.90.100.10	Alpha Beta	Alpha-Beta Complex	Ornithine Decarboxylase	Chain A, domain 4	CATH (4.3.0)
D	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
D	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
D	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
D	3.90.100.10	Alpha Beta	Alpha-Beta Complex	Ornithine Decarboxylase	Chain A, domain 4	CATH (4.3.0)
E	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
E	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
E	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
E	3.90.100.10	Alpha Beta	Alpha-Beta Complex	Ornithine Decarboxylase	Chain A, domain 4	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF03709	Orn/Lys/Arg decarboxylase, N-terminal domain (OKR_DC_1_N)	Orn/Lys/Arg decarboxylase, N-terminal domain	This domain has a flavodoxin-like fold, and is termed the "wing" domain because of its position in the overall 3D structure.	Domain
A, B, C, D, E	PF01276	Orn/Lys/Arg decarboxylase, major domain (OKR_DC_1)	Orn/Lys/Arg decarboxylase, major domain		Domain
A, B, C, D, E	PF03711	Orn/Lys/Arg decarboxylase, C-terminal domain (OKR_DC_1_C)	Orn/Lys/Arg decarboxylase, C-terminal domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Lysine decarboxylase, inducible	guanosine tetraphosphate binding guanyl nucleotide binding binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding guanosine tetraphosphate binding guanyl nucleotide binding binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding lysine decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity identical protein binding protein binding	lysine metabolic process catabolic process lysine catabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process alpha-amino acid catabolic process carboxylic acid catabolic process metabolic process lysine metabolic process catabolic process lysine catabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process alpha-amino acid catabolic process carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process small molecule catabolic process amino acid catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B, C, D, E	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B, C, D, E	IPR011193	Ornithine/lysine/arginine decarboxylase	Family
A, B, C, D, E	IPR008286	Orn/Lys/Arg decarboxylase, C-terminal	Domain
A, B, C, D, E	IPR005308	Orn/Lys/Arg decarboxylase, N-terminal	Domain
A, B, C, D, E	IPR036633	Orn/Lys/Arg decarboxylase, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B, C, D, E	IPR000310	Orn/Lys/Arg decarboxylase, major domain	Domain