The protein encoded by this gene is a type I membrane protein and member of the immunoglobulin superfamily. It is thought to be involved in the process of myelination. It is a lectin that binds to sialylated glycoconjugates and mediates certain myelin-neuron cell-cell interactions. Two alternatively spliced transcripts encoding different isoforms have been described for this gene.
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Protein Aliases: 1B236; Brain neuron cytoplasmic protein 3; GMA; MAG; myelin associated glycoprotein; Myelin-associated glycoprotein; S MAG; S-MAG (C-term.); sialic acid binding Ig-like lectin 4A; Sialic acid-binding Ig-like lectin 4a; sialic acid-binding immunoglobulin-like lectin 4A; SIGLEC 4A; Siglec-4a; SIGLEC4A
Gene Aliases: GMA; MAG; S-MAG; SIGLEC-4A; SIGLEC4A; SPG75
Molecular Function: cell adhesion molecule cytokine receptor defense/immunity protein immunoglobulin receptor superfamily immunoglobulin superfamily cell adhesion molecule membrane-bound signaling molecule myelin protein receptor signaling molecule structural protein