>sp|P0A7J2|RIBB_SHIFL 3,4-dihydroxy-2-butanone 4-phosphate synthase OS=Shigella flexneri OX=623 GN=ribB PE=3 SV=1 MNQTLLSSFGTPFERVENALAALREGRGVMVLDDEDRENEGDMIFPAETMTVEQMALTIR HGSGIVCLCITEDRRKQLDLPMMVENNTSAYGTGFTVTIEAAEGVTTGVSAADRITTVRA AIADGAKPSDLNRPGHVFPLRAQAGGVLTRGGHTEATIDLMTLAGFKPAGVLCELTNDDG TMARAPECIEFANKHNMALVTIEDLVAYRQAHERKAS