Gene Information
Gene NameCD44
OrganismHomo sapiens (Human)
Gene Length742
Protein NamesCD44 antigen (CDw44) (Epican) (Extracellular matrix receptor III) (ECMR-III) (GP90 lymphocyte homing/adhesion receptor) (HUTCH-I) (Heparan sulfate proteoglycan) (Hermes antigen) (Hyaluronate receptor) (Phagocytic glycoprotein 1) (PGP-1) (Phagocytic glycoprotein I) (PGP-I) (CD antigen CD44)
Target Namecd44 antigen
Target TypeNA
Gene Age645 ( ENSG00000026508 )
Evolutionary StageVertebrata
AlphaFoldDBP16070
Gene CardCD44
Uniprot IDP16070
PfamPF00193
In ASDno
Allosteric Predictionyes (1.040188465)
Ortholog in AnimalsAlpaca_ CD44 ( ortholog_one2one )
Dog_ CD44 ( ortholog_one2one )
GuineaPig_ CD44 ( ortholog_one2one )
Macaque_ CD44 ( ortholog_one2one )
Mouse_ Cd44 ( ortholog_one2one )
Pig_ CD44 ( ortholog_one2one )
Rat_ Cd44 ( ortholog_one2one )
Rabbit_ CD44 ( ortholog_one2one )
OhnologsNA
ParalogsLYVE1
TissueNA
Tissue SpecificityIsoform 10 (epithelial isoform) is expressed by cells of epithelium and highly expressed by carcinomas. Expression is repressed in neuroblastoma cells.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1POZ  (NMR  1UUH  (X-ray  2.20A  2I83  (NMR  4PZ3  (X-ray  1.08A  4PZ4  (X-ray  1.60A  6TXS  (X-ray  2.20A 
DBSNP rs369473842  rs11607491  rs9666607  rs1467558  rs12273397 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:22726066, ECO:0000269|PubMed:23589287};
Single-pass type I membrane protein {ECO:0000255}. Cell projection, microvillus {ECO:0000250|UniProtKB:P15379}. Note=Colocalizes with actin in membrane protrusions at wounding edges. Co-localizes with RDX, EZR and MSN in microvilli. Localizes to cholesterol-rich membrane-bound lipid raft domains. {ECO:0000250|UniProtKB:P15379, ECO:0000269|PubMed:23589287}.
Mouse PG classificationNA
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