>sp|Q60364|RIBB_METJA 3,4-dihydroxy-2-butanone 4-phosphate synthase OS=Methanocaldococcus jannaschii GN=ribB MNNVEKAIEALKKGEIILVYDSDEREGETDMVVASQFITPEHIRIMRKDAGGLICTALHP DICNKLGIPFMVDILEFASQKFKVLRELYPNDIPYDEKSSFSITINHRKTFTGITDNDRA FTIKKLAELVKEGRFNDFGKEFRSPGHVTLLRAAEGLVKNRQGHTEMTVALAELANLVPI TTICEMMGDDGNAMSKNETKRYAEKHNLIYLSGEEIINYYLDKYLKD