ISG20 GI:6857800 interferon stimulated exonuclease 1 magsrevvam dcemvglgph resglarcsl vnvhgavlyd kfirpegeit 50 51 dyrtrvsgvt pqhmvgatpf avarleilql lkgklvvghd lkhdfqalke 100 101 dmsgytiydt stdrllwrea kldhcrrvsl rvlserllhk siqnsllghs 150 151 svedaratme lyqisqrira rrglprlavs d