Amelotin (AMTN)

Amelotin is a secreted, enamel-specific protein belonging to the secretory calcium-binding phosphoprotein (SCPP) family. It is expressed almost exclusively by maturation-stage ameloblasts at the interface between the enamel surface and these cells. Its primary function is in the terminal mineralization of dental enamel. Amelotin is evolutionarily related to other enamel matrix proteins including amelogenin, enamelin, and ameloblastin. In mammals, amelotin gene structure and spatiotemporal expression patterns shifted to restrict its role to the late stages of amelogenesis, coinciding with the formation and mineralization of the outer aprismatic enamel layer. In non-mammalian vertebrates, it is expressed throughout enamel development and also contains functional motifs lost in mammals, suggesting broader ancestral functions. The gene is tooth-specific and is lost or pseudogenized in species that lack teeth, such as birds and turtles. No known drugs or therapeutics directly modulate amelotin, nor is it established as a biomarker or major disease target. Amelotin (AMTN) is not considered a drug target, but is critical for enamel biomineralization. Aliases and identifiers are highly consistent across databases and the literature. No interacting drugs, mechanisms of action, or biomarker roles have been established. All current evidence supports its primary role in enamel biology, with evolutionary diversification confined to mammal tooth development.

Other names

AMTNAI3BUNQ689PRO1329RSTI689AMELTIN

Not applicable. No drugs target amelotin; its function is structural/enamel biomineralization