claim: Ice-T made of a record of the hip-hop genre.
evidence: Amelogenin is the name for a series of closely related proteins involved in amelogenesis , the development of enamel .. amelogenesis. amelogenesis. enamel. tooth enamel. They are a type of extracellular matrix -LRB- ECM -RRB- protein , which , together with ameloblastins , enamelins , and tuftelins direct the mineralization of enamel to form a highly organized matrix of rods , interrod crystal , and protein .. protein. protein. enamel. tooth enamel. rods. enamel rod. mineralization. mineralization ( biology ). Although the precise role of amelogenin -LRB- s -RRB- in regulating the mineralization process is unknown , it is known that amelogenins are abundant during amelogenesis .. amelogenesis. amelogenesis. mineralization. mineralization ( biology ). Developing human enamel contains about 70 % protein , 90 % of which are amelogenins .. protein. protein. enamel. tooth enamel