1CNS

CRYSTAL STRUCTURE OF CHITINASE AT 1.91A RESOLUTION

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0000272	biological_process	polysaccharide catabolic process
A	0004568	molecular_function	chitinase activity
A	0005576	cellular_component	extracellular region
A	0005975	biological_process	carbohydrate metabolic process
A	0006032	biological_process	chitin catabolic process
A	0006952	biological_process	defense response
A	0008843	molecular_function	endochitinase activity
A	0016787	molecular_function	hydrolase activity
A	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
A	0016998	biological_process	cell wall macromolecule catabolic process
A	0050832	biological_process	defense response to fungus
B	0000272	biological_process	polysaccharide catabolic process
B	0004568	molecular_function	chitinase activity
B	0005576	cellular_component	extracellular region
B	0005975	biological_process	carbohydrate metabolic process
B	0006032	biological_process	chitin catabolic process
B	0006952	biological_process	defense response
B	0008843	molecular_function	endochitinase activity
B	0016787	molecular_function	hydrolase activity
B	0016798	molecular_function	hydrolase activity, acting on glycosyl bonds
B	0016998	biological_process	cell wall macromolecule catabolic process
B	0050832	biological_process	defense response to fungus

Functional Information from PROSITE/UniProt

site_id	PS00773
Number of Residues	23
Details	CHITINASE_19_1 Chitinases family 19 signature 1. Cqakg.FYTydaFVaAaaaFsgFG

Chain	Residue	Details
A	CYS23-GLY45

site_id	PS00774
Number of Residues	11
Details	CHITINASE_19_2 Chitinases family 19 signature 2. VSFkTAMWFWM

Chain	Residue	Details
A	VAL149-MET159

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	Active site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P29022","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

Catalytic Information from CSA

site_id	CSA1
Number of Residues	2
Details	a catalytic site defined by CSA, PubMed 12369923

Chain	Residue	Details
A	GLU67	electrostatic stabiliser, proton shuttle (general acid/base)
A	GLU89	electrostatic stabiliser, proton shuttle (general acid/base)

Chain	Residue	Details
B	GLU67	electrostatic stabiliser, proton shuttle (general acid/base)
B	GLU89	electrostatic stabiliser, proton shuttle (general acid/base)