4WLH

High resolution crystal structure of human kynurenine aminotransferase-I bound to PLP cofactor

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)
A	d4wlha_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	AAT-like	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4wlhb_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	AAT-like	automated matches	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)
A	SCOP2B Superfamily	PLP-dependent transferases	8041689	3000954	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8041689	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	Aminotran_1_2_C	e4wlhA1	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: Aminotran_1_2_C	ECOD (1.6)
A	Aminotran_1_2_N	e4wlhA2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_1_2_N	ECOD (1.6)
B	Aminotran_1_2_C	e4wlhB1	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: Aminotran_1_2_C	ECOD (1.6)
B	Aminotran_1_2_N	e4wlhB2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_1_2_N	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	Kynurenine--oxoglutarate transaminase 1	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity glutamine-phenylpyruvate transaminase activity transferase activity, transferring nitrogenous groups L-glutamine aminotransferase activity transaminase activity transferase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding identical protein binding protein binding binding protein homodimerization activity protein dimerization activity glutamine-phenylpyruvate transaminase activity transferase activity, transferring nitrogenous groups L-glutamine aminotransferase activity transaminase activity transferase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding kynurenine-oxoglutarate transaminase activity carbon-sulfur lyase activity lyase activity cysteine-S-conjugate beta-lyase activity	biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus catabolic process oxoacid metabolic process ketone metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus catabolic process oxoacid metabolic process ketone metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process L-kynurenine metabolic process cellular catabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process ketone catabolic process small molecule metabolic process amino acid catabolic process L-kynurenine catabolic process benzene-containing compound metabolic process non-proteinogenic amino acid catabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process kynurenine metabolic process alpha-amino acid catabolic process metabolic process cellular process small molecule catabolic process biosynthetic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B	IPR051326	Kynurenine--oxoglutarate transaminase	Family
A, B	IPR004839	Aminotransferase, class I/classII, large domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q16773	sarcomatoid carcinoma carcinoma Anaplastic carcinoma kidney neoplasm asthma interstitial cystitis major depressive disorder undifferentiated carcinoma kidney cancer

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	LLP	Parent Component: LYS RESID: AA0119 PSI-MOD : N6-pyridoxal phosphate-L-lysine MOD:00128

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.