>sp|C3N926|PANB_SULIY 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Sulfolobus islandicus GN=panB MKKVTIRDFIKKKSTKEKITMLTAYDYPTAKIISNTGLDSILVGDSLGMVVLGYANTLNV TMRDMISHTRAVARANPPQLIVADMPFLSYEIDTKSAVKNAGLLVKAGSDAIKLEGGEEM KDTVKAIVKAGIPVMGHIGLTPQRFLRLGGFRTIGKTKQEEDQLIKDSLELEDAGVFSLV IENTYVDIAKRITEKLNIPTICIGAGPYCDGQVLVINDLLGLSEFTPYFAKSYVNLKEII SNAINQYIIDVKNNKFPEKQHYKERES