>sp|C6BU87|MTNN_MARSD 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase OS=Maridesulfovibrio salexigens GN=mtnN MKIGIIAAMEEELVLLVNKLDEPKTENFGQFTYHTGRINGVEVALFLCGIGKVNAAVGAT LLLDKFKPDYLINTGVAGAFPGNINIGDIVVSSEVRHYDADATAFDYEMGQIPQMPAAYQ ADKLLLGLAKKAWINEDSISVHQGPVLSGDSFIHTPQQISQIEQKFPDVMAVEMEGAAIA QTGFLFNVPFILIRSISDKVHEDGSSAIYEQSMEKAAANSVRMVLSMLKEL