IGF2 GI:108796063 insulin-like growth factor 2 isoform 1 precursor 1 mgipmgksml vlltflafas cciaayrpse tlcggelvdt lqfvcgdrgf 50 51 yfsrpasrvs rrsrgiveec cfrscdlall etycatpaks erdvstpptv 100 101 lpdnfprypv gkffqydtwk qstqrlrrgl pallrarrgh vlakeleafr 150 151 eakrhrplia lptqdpahgg appemasnrk