>sp|A1RU92|PANB_PYRIL 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Pyrobaculum islandicum GN=panB MRRKTVLDFAKGRGPYVWITAYDYPTAKAVDEAGVDGILVGDSLGMVLLGLPNTLGVTME DMVRHTEAVARAKPRALVVADMPFMSYETGPEDALKNAARLIRAGADAVKLEGGAEYAHI VERLVKAGIPVMGHIGLTPQRVLTIGGFRMVGKTEEQRRKVLEDAKALRDAGAFSIVLEF VPASLAREVTQAVDIPTICIGSGPHCDGQILVLHDVIGLSERPPSFAKRYADVAAAIREA VSKYAEEVRKGLFPAREHYRE