Gene Information
Gene NameCHI3L2
OrganismHomo sapiens (Human)
Gene Length390
Protein NamesChitinase-3-like protein 2 (Chondrocyte protein 39) (YKL-39)
Target NameNA
Target TypeNA
Gene Age168 ( ENSG00000064886 )
Evolutionary StageCellular_organisms
AlphaFoldDBQ15782
Gene CardCHI3L2
Uniprot IDQ15782
PfamPF00704
In ASDno
Allosteric Predictionno (-0.972680678)
Ortholog in AnimalsAlpaca_ CHI3L2 ( ortholog_one2one )
Macaque_ CHI3L2 ( ortholog_one2one )
Pig_ CHI3L2 ( ortholog_one2one )
Rabbit_ CHI3L2 ( ortholog_one2one )
OhnologsNA
ParalogsCHIA, CHID1, CHIT1, CTBS, CHI3L1, OVGP1
Tissuelung, spleen, minor.salivary.gland
Tissue SpecificityHighest expression in chondrocytes, followed by synoviocytes, lung and heart. Not detected in spleen, pancreas, and liver. May also be expressed in developing brain and placenta. {ECO:0000269|PubMed:8702629}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4AY1  (X-ray  1.95A  4P8U  (X-ray  2.40A  4P8V  (X-ray  1.64A  4P8W  (X-ray  1.87A  4P8X  (X-ray  2.48A 
DBSNP rs11556868  rs34049547  rs13721 
Subcellular location [CC]Secreted {ECO:0000305}.
Mouse PG classificationNA
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