Gene Information
Gene NameCHIA
OrganismHomo sapiens (Human)
Gene Length476
Protein NamesAcidic mammalian chitinase (AMCase) (EC 3.2.1.14) (Lung-specific protein TSA1902)
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000134216 )
Evolutionary StageCellular_organisms
AlphaFoldDBQ9BZP6
Gene CardCHIA
Uniprot IDQ9BZP6
PfamPF01607; PF00704
In ASDno
Allosteric Predictionyes (0.012217434)
Ortholog in AnimalsAlpaca_ CHIA ( ortholog_one2one )
Dog_ CHIA ( ortholog_one2one )
Macaque_ CHIA ( ortholog_one2one )
Mouse_ Chil4 ( ortholog_one2many )
Mouse_ Chil6 ( ortholog_one2many )
Mouse_ Chil3 ( ortholog_one2many )
Mouse_ Chia1 ( ortholog_one2many )
Mouse_ Chil5 ( ortholog_one2many )
Pig_ CHIA ( ortholog_one2one )
Rat_ AABR07012788.1 ( ortholog_one2many )
Rat_ Chia ( ortholog_one2many )
Rat_ RGD1309110 ( ortholog_one2many )
Rat_ Chi3l3 ( ortholog_one2many )
OhnologsNA
ParalogsCHID1, CHIT1, CTBS, CHI3L1, OVGP1, CHI3L2
Tissuestomach
Tissue SpecificityDetected in lung epithelial cells from asthma patients (at protein level). Highly expressed in stomach. Detected at lower levels in lung. {ECO:0000269|PubMed:11085997, ECO:0000269|PubMed:15192232}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2YBT  (X-ray  2.22A  2YBU  (X-ray  2.25A  3FXY  (X-ray  2.00A  3FY1  (X-ray  1.70A  3RM4  (X-ray  1.90A  3RM8  (X-ray  1.80A  3RM9  (X-ray  2.10A  3RME  (X-ray  1.80A 
DBSNP rs41282492  rs41282494  rs41282496  rs3818822  rs61756687  rs2256721  rs2275253  rs2275254  rs36011905  rs2256721 
Subcellular location [CC][Isoform 1]: Secreted. Note=Secretion depends on EGFR activity.;
[Isoform 2]: Cytoplasm.;
[Isoform 3]: Cytoplasm.
Mouse PG classificationNA
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