Gene Information
Gene NameVSIG1
OrganismHomo sapiens (Human)
Gene Length387
Protein NamesV-set and immunoglobulin domain-containing protein 1 (Cell surface A33 antigen) (Glycoprotein A34)
Target NameNA
Target TypeNA
Gene Age454 ( ENSG00000101842 )
Evolutionary StageEumetazoa
AlphaFoldDBQ86XK7
Gene CardVSIG1
Uniprot IDQ86XK7
PfamPF07686
In ASDno
Allosteric Predictionno (-1.059720858)
Ortholog in AnimalsAlpaca_ VSIG1 ( ortholog_one2one )
Dog_ VSIG1 ( ortholog_one2one )
GuineaPig_ VSIG1 ( ortholog_one2one )
Macaque_ VSIG1 ( ortholog_one2one )
Mouse_ Vsig1 ( ortholog_one2one )
Pig_ VSIG1 ( ortholog_one2one )
Rat_ Vsig1 ( ortholog_one2one )
Rabbit_ VSIG1 ( ortholog_one2one )
OhnologsGPA33
ParalogsMXRA8, IGSF11, JAM3, VSIG2, JAM2, ESAM, F11R, MUC15, GPA33, CXADR, VSTM2B, VSIR, VSIG8, CLMP
Tissuestomach, testis
Tissue SpecificityDetected only in stomach mucosa and testis, and to a much lesser level in pancreas (at protein level). Detected in gastric cancers (31%), esophageal carcinomas (50%) and ovarian cancers (23%). {ECO:0000269|PubMed:16405301}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs17254305 
Subcellular location [CC]Membrane {ECO:0000305};
Single-pass type I membrane protein {ECO:0000305}.
Mouse PG classificationNA
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