Noncollagenous nature of the proteins of shark enamel.
The proteins, soluble and insoluble at neutral pH, of relatively mature enamel of two different species of sharks were distinctly different from both collagen and embryonic enamel proteins and similar to the proteins isolated from mature human and bovine enamel.
D000375:Aging; D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D002417:Cattle; D003094:Collagen; D003743:Dental Enamel / Q000032:analysis*; D006801:Humans; D012754:Sharks
D000596:Amino Acids; D003094:Collagen