>sp|B5YZH1|PANB_ECO5E 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Escherichia coli O157:H7 GN=panB MKPTTIASLQKCKQEKKRFATITAYDYSFAKLFAEEGLNVMLVGDSLGMTVQGHESTLPV TVEDIAYHTTAVRRGAPNCLLLADLPFMAYATPEQAFENAATVMRAGANMVKIEGGEWLV ETVKMLTERAVPVCGHLGLTPQSVNIFGGYKVQGRGDEASDRLLSDALALEAAGAQLLVL ECVPVELAKRITEALAIPVIGIGAGNVTDGQILVMHDAFGITGGHIPKFAKNFLAETGDI RAAVRQYMAEVESGVYPGEEHSFH