>sp|Q8XAN4|MUG_ECO57 G/U mismatch-specific DNA glycosylase OS=Escherichia coli O157:H7 GN=mug MVEDILAPGLRVVFCGINPGLSSAGTGFPFAHPANRFWKVIYQAGFTDHQLKPQEAQHLL DYRCGVTKLVDRPTVQANEISKQELHAGGRKLIEKIEDYQPQALAILGKQAYEQGFSQRG AQWGKQTLSIGSTQIWVLPNPSGLSRVSLEKLVEAYRELDQALVVRGR