>tr|A0A2W1KQK2|A0A2W1KQK2_ACIFR 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Acidithiobacillus ferrooxidans GN=panB MHKKIARWVQDKKSGIKRAVVTAYDYPFARLAAEAGVHGILVGDSLGMVVGGGSDTLGVT LEQMAYHTGMVVRGAGDCLVFADLPFGSYEKGPEQAWAAAVTLLRAGADVVKLEGGAEMA STVAFCTERGINICAHIGLTPQRVRQWGSFQRQGTDADSARRLQADAGALAEAGARFLVL EAVPDALAANITRDIAIPTIGIGAGPDTDAQVLVIHDLLGLGTESPPFARRYIEGGRIMR DALAEYVREVGNSEFPPRRKR