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

---

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

Chain	Residue
A	GLY107
A	SER108
A	LYS109

---

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

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	363
Details	Domain: {"description":"GH18","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	7
Details	Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	Binding site: {"evidences":[{"source":"PubMed","id":"22742450","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	2
Details	Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"22742450","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	1
Details	Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

---