Annotations: 4TX8

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CBM_5_12	e4tx8A1	A: beta meanders	X: WW domain-like	H: Carbohydrate binding domain (From Topology)	T: Carbohydrate binding domain	F: CBM_5_12	ECOD (1.6)
A	Glyco_hydro_18_1	e4tx8A2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_18_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.10.20	Mainly Beta	Ribbon	Seminal Fluid Protein PDC-109 (Domain B)	Carbohydrate-binding module superfamily 5/12	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00704	Glycosyl hydrolases family 18 (Glyco_hydro_18)	Glycosyl hydrolases family 18	-	Domain
A	PF02839	Carbohydrate-binding module family 5/12 (CBM_5_12)	Carbohydrate-binding module family 5/12	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Probable chitinase A	binding carbohydrate binding chitin binding carbohydrate derivative binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity cation binding ion binding metal ion binding small molecule binding	carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011583	Chitinase II	Domain
A	IPR001579	Glycosyl hydrolases family 18 (GH18) active site	Active Site
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR003610	Carbohydrate binding module family 5/12	Domain
A	IPR036573	Carbohydrate-binding module superfamily 5/12	Homologous Superfamily
A	IPR001223	Glycoside hydrolase family 18, catalytic domain	Domain

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.