Gene Information
Gene NameGPA33
OrganismHomo sapiens (Human)
Gene Length319
Protein NamesCell surface A33 antigen (Glycoprotein A33)
Target Namecell surface a33 antigen
Target TypeClinical trial target
Gene Age544 ( ENSG00000143167 )
Evolutionary StageEumetazoa
AlphaFoldDBQ99795
Gene CardGPA33
Uniprot IDQ99795
PfamPF07686
In ASDno
Allosteric Predictionno (-1.089888237)
Ortholog in AnimalsAlpaca_ GPA33 ( ortholog_one2one )
Dog_ GPA33 ( ortholog_one2one )
GuineaPig_ GPA33 ( ortholog_one2one )
Macaque_ GPA33 ( ortholog_one2one )
Mouse_ Gpa33 ( ortholog_one2one )
Pig_ GPA33 ( ortholog_one2one )
Rat_ Gpa33 ( ortholog_one2one )
Rabbit_ GPA33 ( ortholog_one2one )
OhnologsVSIG2, VSIG1, IGSF11, CXADR, CLMP
ParalogsMXRA8, VSIG1, IGSF11, JAM3, VSIG2, JAM2, ESAM, F11R, MUC15, CXADR, VSTM2B, VSIR, VSIG8, CLMP
Tissuecolon, duodenum, small.intestine, rectum, transverse.colon
Tissue SpecificityExpressed in normal gastrointestinal epithelium and in 95% of colon cancers.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs2274531  rs2228399 
Subcellular location [CC]Membrane;
Single-pass type I membrane protein.
Mouse PG classificationNA
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