>sp|C4KKA3|PANB_SACI6 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Saccharolobus islandicus GN=panB MKKVTIRDFIKKKSTKEKITILTAYDYPTAKIISNTGLDSILVGDSLGMVVLGYANTLNV TMRDMISHTRAVARANPPQLIVADMPFLSYEIDTKSAVKNAGLLVKAGSDAIKLEGGEEM KDTVKAIVKAGIPVMGHIGLTPQRFLRLGGFRTIGKTKQEEDQLIKDSLELEDAGVFSLV IENTYVDIAKRITEKLNIPTICIGAGPYCDGQVLVINDLLGLSEFTPYFAKSYVNLKEII SNAINQYIIDVKNNKFPEKQHYKEKES