>sp|B7NI94|PANB_ECO7I 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Escherichia coli O7:K1 GN=panB MKPTTIASLQKCKQDKKRFATITAYDYSFAKLFAEEGLNVMLVGDSLGMTVQGHDSTLPV TVADIAYHTAAVRRGAPNCLLLADLPFMAYATPEQAFENAATVMRAGANMVKIEGGEWLV ETVQMLTERAVPVCGHLGLTPQSVNIFGGYKVQGRGDEAGDQLLSDALALEAAGAQLLVL ECVPVELAKRITEALAIPVIGIGAGNVTDGQILVMHDAFGITGGHIPKFAKNFLAETGDI RAAVRQYMAEVESGVYPGEEHSFH