>sp|Q46JG1|PANB_PROMT 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Prochlorococcus marinus GN=panB MQTTELVRFKKLGKQISVLTAWDAISSSIVEAAGADVVLVGDSLGMVVLGHSTTLPVTLD QMLHHTKAVCRGFCKPLSKQPLVVCDLPFLSYQCGEDKAVEAAGTLLKNSTASAVKLEGA EPETLLVIKRLIRMGIPVMGHLGLTPQSVHQLGYKSQARDKDSQEKIFKDSKMLQESGCF AIVLEHIPGEIASRLKKHIDIPVIGIGAGNDCDGQVRVTADILGLSIAQPPFAKPLLAGR ELCINALKEWINSTDLDQVNPTTKTSESKSDC