>sp|Q5E2X3|MTNN_ALIF1 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase OS=Aliivibrio fischeri GN=mtnN MKIGIIGAMEQEVAILKDKIEGLSTVTKAGCTFYTGTLNGADVVLLQSGIGKVAAAVGTT LLIAEHNVDVVLNTGSAGGFDSSLNLGDVVISTEVRHHDADVTAFGYEMGQMAQQPAAFI ADEKLITTAEQALTEMSDKHAVRGLICTGDVFVCTPERQEFIRTHFPSVIAVEMEASAIA QTCHQFNTPFVVVRAISDVADKESPMSFDEFLPLAAQSSSEMVLNMVTLLK