Annotations: 2CH1

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ch1a1	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	Cystathionine synthase-like	3-hydroxykynurenine transaminase	(Anopheles gambiae ) [TaxId: 7165 ],	SCOPe (2.08)
B	d2ch1b_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Anopheles gambiae ) [TaxId: 7165 ],	SCOPe (2.08)
C	d2ch1c_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Anopheles gambiae ) [TaxId: 7165 ],	SCOPe (2.08)
D	d2ch1d_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Anopheles gambiae ) [TaxId: 7165 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cystathionine synthase-like	8026469	4000672	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PLP-dependent transferases	8038848	3000954	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8038848	3000954	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PLP-dependent transferases	8038848	3000954	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PLP-dependent transferases	8038848	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	F_UNCLASSIFIED	e2ch1A3	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: F_UNCLASSIFIED	ECOD (1.6)
A	PF00266	e2ch1A2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00266	ECOD (1.6)
B	F_UNCLASSIFIED	e2ch1B3	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: F_UNCLASSIFIED	ECOD (1.6)
B	PF00266	e2ch1B2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00266	ECOD (1.6)
C	F_UNCLASSIFIED	e2ch1C3	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: F_UNCLASSIFIED	ECOD (1.6)
C	PF00266	e2ch1C2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00266	ECOD (1.6)
D	F_UNCLASSIFIED	e2ch1D3	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: F_UNCLASSIFIED	ECOD (1.6)
D	PF00266	e2ch1D2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: PF00266	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)
C	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
C	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	3.40.640.10	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, C, D	PF00266	Aminotransferase class-V (Aminotran_5)	Aminotransferase class-V	This domain is found in amino transferases, and other enzymes including cysteine desulphurase EC:4.4.1.-.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	3-HYDROXYKYNURENINE TRANSAMINASE	transferase activity, transferring nitrogenous groups kynurenine-glyoxylate transaminase activity transaminase activity kynurenine aminotransferase activity transferase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding transferase activity, transferring nitrogenous groups kynurenine-glyoxylate transaminase activity transaminase activity kynurenine aminotransferase activity transferase 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 serine-pyruvate transaminase activity alanine-glyoxylate transaminase activity	serine family amino acid metabolic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glycine metabolic process glycine biosynthetic process organic substance metabolic process glycine biosynthetic process, by transamination of glyoxylate organic substance biosynthetic process serine family amino acid metabolic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glycine metabolic process glycine biosynthetic process organic substance metabolic process glycine biosynthetic process, by transamination of glyoxylate organic substance biosynthetic process small molecule metabolic process organonitrogen compound metabolic process small molecule biosynthetic process cellular metabolic 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 serine family amino acid biosynthetic process alpha-amino acid biosynthetic process catabolic process organic acid catabolic process L-kynurenine metabolic process cellular catabolic process non-proteinogenic amino acid metabolic process cellular ketone metabolic process carboxylic acid catabolic process ketone catabolic process amino acid catabolic process L-kynurenine catabolic process organonitrogen compound catabolic process benzene-containing compound metabolic process non-proteinogenic amino acid catabolic process L-amino acid catabolic process organic cyclic compound catabolic process organic cyclic compound metabolic process kynurenine metabolic process alpha-amino acid catabolic process small molecule catabolic process organic substance catabolic process glyoxylate metabolic process monocarboxylic acid catabolic process glyoxylate catabolic process cellular aldehyde metabolic process monocarboxylic acid metabolic process aldehyde catabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle peroxisome microbody cytoplasm cellular anatomical entity intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR020578	Aminotransferase class-V, pyridoxal-phosphate binding site	Binding Site
A, B, C, D	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B, C, D	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B, C, D	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B, C, D	IPR000192	Aminotransferase class V domain	Domain
A, B, C, D	IPR024169	Serine-pyruvate aminotransferase/2-aminoethylphosphonate-pyruvate transaminase	Family

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.