>sp|C3MU48|PANB_SULIM 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Sulfolobus islandicus GN=panB MKKVTIRDFIKKKSTKEKITILTAYDYPTAKIISNTGLDSILVGDSLGMVVLGYANTLNV TMRDMISHTRAVARANPPQLIVADMPFLSYEIDTKSAVKNAGLLVKAGSDAIKLEGGEEM KDTVKAIVKAGIPVMGHIGLTPQRFLRLGGFRTIGKTKQEEDQLIKDSLELEDAGVFSLV IENTYVDIAKRITEKLNIPTICIGAGPYCDGQVLVINDLLGLSEFTPYFAKSYVNLKEII SNAINQYIIDVKNNKFPEKQHYKEKES