>tr|A0A078LL47|A0A078LL47_CITKO 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase OS=Citrobacter koseri GN=mtnN MKIGIIGAMEEEVTLLRDKIENRQTITLGGCEIYTGQLNGTEIALLKSGIGKVAAALGAT LLLERCKPDVIINTGSAGGLAPTLTVGDIVVSDEARYHDADVTAFGYEFGQLPGCPAGFK ADDALIAAAESCIAKLNLNAVRGLIVSGDAFINGSVGLAKIRHNFPQAIAVEMEATAIAH VCHNFNVPFVVVRAISDVADQQSHLSFDEFLAVAAKQSSLMVETLVQKLAHG