DSP may be an important factor in dentinogenesis. DPP may bind high amount of calcium and facilitate initial mineralization of dentin matrix collagen as well as regulate the size and shape of the crystals.
Subcellular locations: Secreted, Extracellular space, Extracellular matrix
Expressed in teeth. DPP is synthesized by odontoblast and transiently expressed by pre-ameloblasts.