MTNA_AQUAE aq_2114 mtnA S-methyl-5-thioribose-1-phosphate isomerase Methylthioribose-1-phosphate isomerase MDIRTHLGINQELSGKPVKVAEGYAEVLLKTQESMKADDKGLVHGGFIFSAADYASMLAVNHPNVVLAGANVKFLKPVKVGDEIICKARVSEDKGKKKKVLVECFKGEDKVFEGEFFTVFLIDMFWRGEKMEVKPFYWKGDKLLLLDQRKLPHQEVWLELKTYEEVAKAIKEMAVRGAPAIGCTAAYGFVLGVKVQKEDPEKVYETLKNTRPTAYNLFWALDRMMKALKEGKDIEEEAKEIEKEDYEANKRMGEIGSEIVPLNAKVLTHCNTGALATAGWGTALGVIRSAHYGGKNIFVWVDETRPYLQGARLTAWELVKESIPHKIITDSTAGFLMKKGMVDLVIVGADRITAKGDVANKIGTYTLAVLCKEHNVPFYVAAPTSTIDSNIKSGEEIIIEERSPEEVKVCGGCAIAPKESDALHLAFDITPAELITGIITEKGIFKPERITEALKD 456 Catalyzes the interconversion of methylthioribose-1- phosphate (MTR-1-P) into methylthioribulose-1-phosphate (MTRu-1-P) (By similarity).