CST5 GI:19882256 cystatin D precursor 1 mmwpmhtpll lltalmvava gsasaqsrtl aggihatdln dksvqcaldf 50 51 aiseynkvin kdeyysrplq vmaayqqivg gvnyyfnvkf grttctksqp 100 101 nldncpfndq pklkeeefcs fqinevpwed kisilnykcr kv