>sp|Q7TU60|PANB_PROMP 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Prochlorococcus marinus subsp. pastoris GN=panB MLPSELVKYKKKSQKIIALTAWDSISGSLAEHSGADIVLVGDSLAMVCLGYKSTLPVTLE NMIYHTNAVSRGFSKEIEEQSLLVCDMPFLTYQCGENKAVEYAGKIIKNTYAKAVKVEGA DPEVQNVISRLIRMGIPVMGHLGLTPQSYLNLGFKQQGNNSESHEKIKRDALSLEKLGCF SIVLEHIPELLAKEIQTELEIPTIGIGAGKFCDGQVRVTADLLGLNDKQPPFCRPIIDGK KIFGEKLKEWVAAEKLN