FGF23 GI:10190674 fibroblast growth factor 23 precursor 1 mlgarlrlwv calcsvcsms vlraypnasp llgsswggli hlytatarns 50 51 yhlqihkngh vdgaphqtiy salmirseda gfvvitgvms rrylcmdfrg 100 101 nifgshyfdp encrfqhqtl engydvyhsp qyhflvslgr akraflpgmn 150 151 pppysqflsr rneiplihfn tpiprrhtrs aeddserdpl nvlkprarmt 200 201 papascsqel psaednspma sdplgvvrgg rvnthaggtg pegcrpfakf 250 251 i