>sp|Q8ZT69|PANB_PYRAE 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Pyrobaculum aerophilum GN=panB MSARRRVTDFVKGKGPYVWVTAYDYPTAKIVDEAGVDGILVGDSLGMVVLGLPNTLGVTL ADMIRHTQAVARARPRALVVADMPFMSYETGPRDALRNASKLIKAGADAVKLEGGAEYAR IVEKLVKAGIPVMGHIGLNPQRVLALGGFKMVGRTEEQRRKLLDDAKALRDAGAFSLVIE FVPASVAKEITEAVDIPTICIGAGPHCDGQILVLHDIIGLTERPPSFAKRYANVADVIRS AVKQYVNEVKTGQFPSKEHFKE