4P8U

The crystal structures of YKL-39 in the absence of chitooligosaccharides was solved to resolutions of 2.4 angstrom

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004568	molecular_function	chitinase activity
A	0005576	cellular_component	extracellular region
A	0005615	cellular_component	extracellular space
A	0005975	biological_process	carbohydrate metabolic process
A	0006032	biological_process	chitin catabolic process
A	0008061	molecular_function	chitin binding
A	0016787	molecular_function	hydrolase activity
A	0030246	molecular_function	carbohydrate binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	3
Details	binding site for residue SO4 A 401

Chain	Residue
A	LYS175
A	ARG385
A	HOH503

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site_id	AC2
Number of Residues	3
Details	binding site for residue SO4 A 402

Chain	Residue
A	GLY107
A	SER108
A	LYS109

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site_id	AC3
Number of Residues	5
Details	binding site for residue PEG A 403

Chain	Residue
A	TRP360
A	HOH660
A	ASP213
A	TYR269
A	PHE301

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	3
Details	BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU01258

Chain	Residue	Details
A	ASP75
A	GLY102
A	LEU210

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site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:22742450

Chain	Residue	Details
A	TYR104
A	ASP213

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site_id	SWS_FT_FI3
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU01258, ECO:0000269|PubMed:22742450

Chain	Residue	Details
A	TYR146
A	TRP360

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site_id	SWS_FT_FI4
Number of Residues	1
Details	CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255

Chain	Residue	Details
A	ASN35

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