BTC GI:4502461 betacellulin 1 mdraarcsga sslplllala lglvilhcvv adgnstrspe tngllcgdpe 50 51 encaatttqs krkghfsrcp kqykhycikg rcrfvvaeqt pscvcdegyi 100 101 garcervdlf ylrgdrgqil vicliavmvv fiilvigvct cchplrkrrk 150 151 rkkkeeemet lgkditpine dieetnia