4A5Q

Crystal structure of the chitinase Chi1 fitted into the 3D structure of the Yersinia entomophaga toxin complex

External Resource: Annotation

Domain Annotation: ECOD Classification
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	PF00704	e4a5qA2	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: PF00704	ECOD (1.6)
A	PF00704	e4a5qA3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)
B	PF00704	e4a5qB2	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: PF00704	ECOD (1.6)
B	PF00704	e4a5qB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)
C	PF00704	e4a5qC2	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: PF00704	ECOD (1.6)
C	PF00704	e4a5qC1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)
D	PF00704	e4a5qD2	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: PF00704	ECOD (1.6)
D	PF00704	e4a5qD3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)
E	PF00704	e4a5qE2	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: PF00704	ECOD (1.6)
E	PF00704	e4a5qE3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF00704	Glycosyl hydrolases family 18 (Glyco_hydro_18)	Glycosyl hydrolases family 18	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	CHI1	chitin binding binding carbohydrate derivative binding chitinase activity hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	organonitrogen compound catabolic process carbohydrate derivative catabolic process catabolic process organonitrogen compound metabolic process carbohydrate derivative metabolic process chitin metabolic process aminoglycan catabolic process macromolecule catabolic process glucosamine-containing compound catabolic process organic substance metabolic process amino sugar catabolic process aminoglycan metabolic process amino sugar metabolic process metabolic process organonitrogen compound catabolic process carbohydrate derivative catabolic process catabolic process organonitrogen compound metabolic process carbohydrate derivative metabolic process chitin metabolic process aminoglycan catabolic process macromolecule catabolic process glucosamine-containing compound catabolic process organic substance metabolic process amino sugar catabolic process aminoglycan metabolic process amino sugar metabolic process metabolic process macromolecule metabolic process organic substance catabolic process chitin catabolic process glucosamine-containing compound metabolic process carbohydrate metabolic process carbohydrate catabolic process primary metabolic process polysaccharide metabolic process polysaccharide catabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR011583	Chitinase II	Domain
A, B, C, D, E	IPR029070	Chitinase insertion domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B, C, D, E	IPR001223	Glycoside hydrolase family 18, catalytic domain	Domain

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 R01GM133198.