4E1O

Human histidine decarboxylase complex with Histidine methyl ester (HME)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
E	d4e1oe1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E	d4e1oe2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4e1oa1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4e1oa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4e1ob1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4e1ob2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d4e1oc1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d4e1oc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4e1od1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4e1od2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d4e1of1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d4e1of2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E	SCOP2B Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2B (2022-06-29)
A	SCOP2 Family	Pyridoxal-dependent decarboxylase	8083281	4003328	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	PLP-dependent transferases	8083282	3000954	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	Pyridoxal_deC	e4e1oE2	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: Pyridoxal_deC	ECOD (1.6)
E	Aminotran_5_N	e4e1oE3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)
A	Pyridoxal_deC	e4e1oA2	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: Pyridoxal_deC	ECOD (1.6)
A	Aminotran_5_N	e4e1oA3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)
B	Pyridoxal_deC	e4e1oB2	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: Pyridoxal_deC	ECOD (1.6)
B	Aminotran_5_N	e4e1oB3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)
C	Pyridoxal_deC	e4e1oC2	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: Pyridoxal_deC	ECOD (1.6)
C	Aminotran_5_N	e4e1oC3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)
D	Pyridoxal_deC	e4e1oD2	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: Pyridoxal_deC	ECOD (1.6)
D	Aminotran_5_N	e4e1oD3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)
F	Pyridoxal_deC	e4e1oF2	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: Pyridoxal_deC	ECOD (1.6)
F	Aminotran_5_N	e4e1oF3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	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)
A	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	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)
B	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	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)
C	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	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)
D	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	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)
F	1.20.1340.10	Mainly Alpha	Up-down Bundle	dopa decarboxylase, N-terminal domain	dopa decarboxylase, N-terminal domain	CATH (4.3.0)
F	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
F	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00282	Pyridoxal-dependent decarboxylase conserved domain (Pyridoxal_deC)	Pyridoxal-dependent decarboxylase conserved domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Histidine decarboxylase	vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding histidine decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity	aromatic amino acid metabolic process L-histidine metabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process imidazole-containing compound metabolic process alpha-amino acid metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process metabolic process cellular process small molecule metabolic process aromatic amino acid metabolic process L-histidine metabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process imidazole-containing compound metabolic process alpha-amino acid metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process metabolic process cellular process small molecule metabolic process organic hydroxy compound metabolic process catechol-containing compound metabolic process amine metabolic process biogenic amine biosynthetic process biosynthetic process catecholamine metabolic process amine biosynthetic process phenol-containing compound metabolic process organic hydroxy compound biosynthetic process catecholamine biosynthetic process phenol-containing compound biosynthetic process catechol-containing compound biosynthetic process biogenic amine metabolic process catabolic process aromatic amino acid family catabolic process organic acid catabolic process cellular catabolic process carboxylic acid catabolic process amino acid catabolic process imidazole-containing compound catabolic process L-amino acid catabolic process L-histidine catabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process small molecule catabolic process ammonium ion metabolic process histamine biosynthetic process histamine metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR010977	Aromatic-L-amino-acid decarboxylase	Family
A, B, C, D, E A, B, C, D, E, F	IPR002129	Pyridoxal phosphate-dependent decarboxylase	Family
A, B, C, D, E A, B, C, D, E, F	IPR021115	Pyridoxal-phosphate binding site	Binding Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F	Pharos: P19113	Tourette syndrome Hepatomegaly colorectal cancer lung adenocarcinoma osteosarcoma psoriasis cutaneous lupus erythematosus lung cancer pancreatic intraductal papillary-mucinous neoplasm facioscapulohumeral muscular dystrophy invasive ductal breast carcinoma non-small cell lung carcinoma pituitary cancer

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E A, B, C, D, E, F	CSX	Parent Component: CYS RESID: AA0451 PSI-MOD : 2'-(S-L-cysteinyl)-6'-hydroxy-L-tryptophan sulfoxide MOD:01380

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.