>gi|4503105 cystatin SA precursor [Homo sapiens]
MAWPLCTLLLLLATQAVALAWSPQEEDRIIEGGIYDADLNDERVQRALHF
VISEYNKATEDEYYRRLLRVLRAREQIVGGVNYFFDIEVGRTICTKSQPN
LDTCAFHEQPELQKKQLCSFQIYEVPWEDRMSLVNSRCQEA