>tr|A6K7D9|A6K7D9_RAT Cystatin C, isoform CRA_b OS=Rattus norvegicus GN=Cst3 MASPLRSLMLLLAVLAVAWAGTSRPPPRLLGAPQEADASEEGVQRALDFAVSEYNKGSND AYHSRAIQVVRARKQLVAGINYYLDVEMGRTTCTKSQTNLTNCPFHDQPHLMRKALCSFQ IYSVPWKGTHTLTKSSCKNA