Annotations: 1AY4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ay4a_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	AAT-like	Aromatic aminoacid aminotransferase, AroAT	(Paracoccus denitrificans ) [TaxId: 266 ],	SCOPe (2.08)
B	d1ay4b_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	AAT-like	Aromatic aminoacid aminotransferase, AroAT	(Paracoccus denitrificans ) [TaxId: 266 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PLP-dependent transferases	8032329	3000954	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8032329	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)
A	PF00155	e1ay4A2	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: PF00155	ECOD (1.6)
A	PF00155	e1ay4A3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00155	ECOD (1.6)
B	PF00155	e1ay4B2	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: PF00155	ECOD (1.6)
B	PF00155	e1ay4B3	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00155	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
A	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	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00155	Aminotransferase class I and II (Aminotran_1_2)	Aminotransferase class I and II	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	AROMATIC AMINO ACID AMINOTRANSFERASE	aromatic-amino-acid:2-oxoglutarate aminotransferase activity transferase activity, transferring nitrogenous groups transaminase activity L-phenylalanine aminotransferase activity transferase activity L-phenylalanine:2-oxoglutarate aminotransferase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding aromatic-amino-acid:2-oxoglutarate aminotransferase activity transferase activity, transferring nitrogenous groups transaminase activity L-phenylalanine aminotransferase activity transferase activity L-phenylalanine:2-oxoglutarate aminotransferase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding	amino acid biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process amino acid metabolic process primary metabolic process organonitrogen compound metabolic process aromatic amino acid family biosynthetic process aromatic amino acid metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process amino acid biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process amino acid metabolic process primary metabolic process organonitrogen compound metabolic process aromatic amino acid family biosynthetic process aromatic amino acid metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process organic cyclic compound metabolic process organic cyclic compound biosynthetic process small molecule metabolic process cellular process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B	IPR000796	Aspartate/other aminotransferase	Family
A, B	IPR004839	Aminotransferase, class I/classII	Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	aromatic-amino-acid transaminase M-CSA #411	Tyrosine (aromatic) aminotransferase (TATase) is a well-characterized Fold Type I PLP-dependent enzyme that has natural specificity for the aromatic amino acids tyrosine, phenylalanine, and tryptophan, as well as for the dicarboxylic amino acids aspartate and glutamate.	Defined by 4 residues: TRP:A-127 [auth A-140]ASP:A-208 [auth A-222]ALA:A-210 [auth A-224]LYS:A-243 [auth A-258] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 2.6.1.57 (PDB Primary Data) Search M-CSA Motif + EC 2.6.1.57

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.