Gene Information
Gene NameJAM2
OrganismHomo sapiens (Human)
Gene Length298
Protein NamesJunctional adhesion molecule B (JAM-B) (Junctional adhesion molecule 2) (JAM-2) (Vascular endothelial junction-associated molecule) (VE-JAM) (CD antigen CD322)
Target NameNA
Target TypeNA
Gene Age544 ( ENSG00000154721 )
Evolutionary StageEumetazoa
AlphaFoldDBP57087
Gene CardJAM2
Uniprot IDP57087
PfamPF07686
In ASDno
Allosteric Predictionno (-0.820597789)
Ortholog in AnimalsAlpaca_ JAM2 ( ortholog_one2one )
Dog_ JAM2 ( ortholog_one2one )
GuineaPig_ JAM2 ( ortholog_one2one )
Macaque_ JAM2 ( ortholog_one2one )
Mouse_ Jam2 ( ortholog_one2one )
Pig_ JAM2 ( ortholog_one2one )
Rat_ Jam2 ( ortholog_one2one )
Rabbit_ JAM2 ( ortholog_one2one )
OhnologsF11R, JAM3
ParalogsMXRA8, VSIG1, IGSF11, JAM3, VSIG2, ESAM, F11R, MUC15, GPA33, CXADR, VSTM2B, VSIR, VSIG8, CLMP
TissueNA
Tissue SpecificityHighly expressed in heart, placenta, lung, foreskin and lymph node (PubMed:10779521, PubMed:10945976). Prominently expressed on high endothelial venules and also present on the endothelia of other vessels (at protein level) (PubMed:10779521, PubMed:10945976). Also expressed in the brain in the caudate nuclei (PubMed:31851307). {ECO:0000269|PubMed:10779521, ECO:0000269|PubMed:10945976, ECO:0000269|PubMed:31851307}.
Pharmacological Animal Models0.000730(Chimpanzee);NULL(Mouse);0.001000(Rat);0.040000(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs1383641309  rs1230941179  rs9976382 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:10779521, ECO:0000269|PubMed:11590146, ECO:0000269|PubMed:31851307};
Single-pass type I membrane protein {ECO:0000269|PubMed:10779521, ECO:0000269|PubMed:11590146}. Cell junction {ECO:0000269|PubMed:10779521, ECO:0000269|PubMed:10945976}. Cell junction, tight junction {ECO:0000250|UniProtKB:Q9JI59}. Note=Localized at tight junctions of both epithelial and endothelial cells (By similarity). Specifically localized within the somatodendritic compartment of neurons and excluded from the axon (By similarity). {ECO:0000250|UniProtKB:Q9JI59}.
Mouse PG classificationNA
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