5NNB

Isatin hydrolase A (IHA) from Labrenzia aggregata with isatinate bound

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cyclase	e5nnbA1	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: Cyclase	ECOD (1.6)
B	Cyclase	e5nnbB1	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: Cyclase	ECOD (1.6)
C	Cyclase	e5nnbC1	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: Cyclase	ECOD (1.6)
D	Cyclase	e5nnbD1	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: Cyclase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.30.50	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)
B	3.50.30.50	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)
C	3.50.30.50	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)
D	3.50.30.50	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF04199	Putative cyclase (Cyclase)	Putative cyclase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	isatin hydrolase A	cation binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity arylformamidase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	catabolic process oxoacid metabolic process ketone metabolic process aromatic amino acid family catabolic process indole-containing compound metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process indolalkylamine metabolic process small molecule metabolic process catabolic process oxoacid metabolic process ketone metabolic process aromatic amino acid family catabolic process indole-containing compound metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process indolalkylamine metabolic process small molecule metabolic process amino acid catabolic process aromatic amino acid metabolic process benzene-containing compound metabolic process carboxylic acid metabolic process primary metabolic process amine metabolic process kynurenine metabolic process tryptophan catabolic process to kynurenine alpha-amino acid catabolic process indole-containing compound catabolic process tryptophan catabolic process metabolic process cellular process small molecule catabolic process biogenic amine metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR007325	Kynurenine formamidase/cyclase-like	Family
A, B, C, D	IPR037175	Kynurenine formamidase superfamily	Homologous Superfamily

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.