>sp|A4THU2|RIBB_YERPP 3,4-dihydroxy-2-butanone 4-phosphate synthase OS=Yersinia pestis GN=ribB MNQTLLSDFGTPVERVERAIDALRNGRGVMVLDDESRENEGDMVFAAEAMTLEQMALTIR HGSGIVCLCITDERRQQLDLPMMVTHNSSQFQTAFTVTIEAAEGVTTGVSAADRLTTIRK AIADNAKPADLNRPGHVFPLRGQPGGVLSRRGHTEASIDLATLAGYKPAGVLCELTNDDG SMAHAPEVIAFAKLHDMPVVTIDDLAAYLQSRAKKAS