Det er en kopi af proteinet osteogent protein 1, også kendt som knoglemorfogenetisk protein 7 (BMP- 7), der produceres naturligt i kroppen og fremmer dannelsen af nyt knoglevæv.
It is a copy of protein called osteogenic protein 1, also known as bone morphogenetic protein 7 (BMP-7), that is produced naturally by the body and which helps the formation of new bone tissue.