CST9 GI:226529477 cystatin 9 precursor 1 msspqrrkam pwalslllmg fqllvtyawc seeemggnnk ivqdpmflat 50 51 vefalntfnv qskeehayrl lrvlsswred smdrkwrgkm vfsmnlqlrq 100 101 tvcrkfeddi dncpfqesle lnnvrqgisf pqvhscgccm gcgvgtgaad 150 151 kaiprdkgk