Annotations: 4S3K

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01476	e4s3kA6	A: alpha arrays	X: HTH	H: LysM domain (From Topology)	T: LysM domain	F: PF01476	ECOD (1.6)
A	F_UNCLASSIFIED	e4s3kA5	A: a+b two layers	X: FKBP-like	H: Chitinase insertion domain (From Topology)	T: Chitinase insertion domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF00704	e4s3kA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF00704	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	3.10.50.10	Alpha Beta	Roll	Chitinase A	domain 3	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	PF01476	LysM domain (LysM)	LysM domain	The LysM (lysin motif) domain is about 40 residues long. It is found in a variety of enzymes involved in bacterial cell wall degradation [1]. This domain may have a general peptidoglycan binding function. The structure of this domain is known [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Spore germination protein YaaH	chitin binding binding carbohydrate derivative binding hydrolase activity, acting on glycosyl bonds hydrolase activity catalytic activity	carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011583	Chitinase II	Domain
A	IPR029070	Chitinase insertion domain superfamily	Homologous Superfamily
A	IPR036779	LysM domain superfamily	Homologous Superfamily
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR041704	CFLE, GH18 catalytic domain	Domain
A	IPR018392	LysM domain	Domain
A	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.