Det er en kopi af et protein ved navn osteogent protein 1, også kaldet bone morphogenic protein 7 (BMP- 7), som produceres naturligt i kroppen og er medvirkende ved dannelsen af nyt knoglevæv.
It is a copy of a protein called osteogenic protein 1, also known as bone morphogenic protein 7 (BMP-7), which is produced naturally by the body and helps the formation of new bone tissue.