Gene Information
Gene NameMAG
OrganismHomo sapiens (Human)
Gene Length626
Protein NamesMyelin-associated glycoprotein (Siglec-4a)
Target Namemyelin-associated glycoprotein
Target TypeClinical trial target
Gene Age544 ( ENSG00000105695 )
Evolutionary StageEumetazoa
AlphaFoldDBP20916
Gene CardMAG
Uniprot IDP20916
PfamPF08205
In ASDno
Allosteric Predictionno (-0.195615664)
Ortholog in AnimalsAlpaca_ MAG ( ortholog_one2one )
GuineaPig_ MAG ( ortholog_one2one )
Mouse_ Mag ( ortholog_one2one )
Pig_ MAG ( ortholog_one2one )
Rat_ Mag ( ortholog_one2one )
OhnologsNA
ParalogsSIGLEC5, TMEM25, SIGLEC1, SIGLEC15, SIGLEC7, SIGLEC11, SIGLEC8, CD33, SIGLEC9, SIGLEC12, SIGLEC16, SIGLEC10, SIGLEC14, SIGLEC6, SIGLECL1, CD22
Tissuebrain, cerebral.cortex
Tissue SpecificityBoth isoform 1 and isoform 2 are detected in myelinated structures in the central and peripheral nervous system, in periaxonal myelin and at Schmidt-Lanterman incisures (PubMed:9495552, PubMed:6200494). Detected in optic nerve, in oligodendroglia and in periaxonal myelin sheaths (PubMed:6200494). Detected in compact myelin (at protein level) (PubMed:6200494). Both isoform 1 and isoform 2 are detected in the central and peripheral nervous system (PubMed:9495552). {ECO:0000269|PubMed:6200494, ECO:0000269|PubMed:9495552}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs762045079  rs2301600  rs11084810  rs587777229 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:26179919};
Single-pass type I membrane protein {ECO:0000269|PubMed:26179919}. Membrane raft {ECO:0000250|UniProtKB:P07722}.
Mouse PG classificationLPG
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