Gene Information
Gene NameCNTN2
OrganismHomo sapiens (Human)
Gene Length1040
Protein NamesContactin-2 (Axonal glycoprotein TAG-1) (Axonin-1) (Transient axonal glycoprotein 1) (TAX-1)
Target NameNA
Target TypeNA
Gene Age987 ( ENSG00000184144 )
Evolutionary StageEumetazoa
AlphaFoldDBQ02246
Gene CardCNTN2
Uniprot IDQ02246
PfamPF00041; PF07679
In ASDno
Allosteric Predictionyes (0.55033862)
Ortholog in AnimalsAlpaca_ CNTN2 ( ortholog_one2one )
Dog_ CNTN2 ( ortholog_one2one )
GuineaPig_ CNTN2 ( ortholog_one2one )
Macaque_ CNTN2 ( ortholog_one2one )
Mouse_ Cntn2 ( ortholog_one2one )
Pig_ CNTN2 ( ortholog_one2one )
Rat_ Cntn2 ( ortholog_one2one )
Rabbit_ CNTN2 ( ortholog_one2one )
OhnologsCNTN1, CNTN3, CNTN6, CNTN4, CNTN5
ParalogsCNTN5, NFASC, ROBO2, SDK1, SDK2, CNTN3, HMCN2, CNTN6, DSCAML1, VSIG10L, CNTN1, IGDCC4, IGSF21, VCAM1, ROBO1, L1CAM, BOC, DCC, IGDCC3, ROBO4, IGSF9, VSIG10, DSCAM, CDON, NCAM1, ROBO3, CHL1, NRCAM, NEO1, IGSF9B, MXRA5, IGSF10, PTPRQ, NCAM2, PRTG, CNTN4
Tissuebrain, cerebral.cortex
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2OM5  (X-ray  3.07A 
DBSNP rs2275697  rs2229866  rs2305276  rs17416074 
Subcellular location [CC]Cell membrane;
Lipid-anchor, GPI-anchor. Note=Attached to the neuronal membrane by a GPI-anchor and is also released from neurons.
Mouse PG classificationHPG
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