CST11 GI:19882249 cystatin 11 isoform 1 precursor 1 mmaepwqalq lllailltlm alpyqarkkt flsvhevmav enyakdslqw 50 51 itdqynkesd dkyhfrifrv lkvqrqvtdh leyhlnvemq wttcqkpett 100 101 ncvpqerelh kqvncffsvf avpwfeqyki lnkscssd