2BAA

THE REFINED CRYSTAL STRUCTURE OF AN ENDOCHITINASE FROM HORDEUM VULGARE L. SEEDS TO 1.8 ANGSTROMS RESOLUTION

Replaces:  1BAA

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

Functional Information from PROSITE/UniProt

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

Chain	Residue	Details
A	CYS23-GLY45

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

Chain	Residue	Details
A	VAL149-MET159

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Proton donor => ECO:0000250|UniProtKB:P29022

Chain	Residue	Details
A	GLU67

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	3
Details	Annotated By Reference To The Literature 1cns

Chain	Residue	Details
A	SER120
A	GLU67
A	GLU89

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site_id	MCSA1
Number of Residues	2
Details	M-CSA 475

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

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