>sp|C3N136|PANB_SULIA 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Sulfolobus islandicus GN=panB MKKVTIRDFIKKKSTKEKITILTAYDYPTAKIISNTGLDSILVGDSLGMVVLGYANTLNV TMRDMISHTRAVARANPPQLIVADMPFLSYEIDTKSAVKNAGLLVKAGSDAIKLEGGEEM KDTVKAIVKAGIPVMGHIGLTPQRFLRLGGFRTIGKTKQEEDQLIKDSLELEDAGVFSLV IENTYVDIAKRITEKLNIPTICIGAGPYCDGQVLVINDLLGLSEFTPYFAKSYVNLKEII SNAINQYIIDVKNNKFPEKQHYKEKES