>sp|A4WMD4|PANB_PYRAR 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Pyrobaculum arsenaticum GN=panB MPDKKRRVTDFVKGGGPYVWVTAYDYPTAKLVDEAGVDGILVGDSLGMVVLGLPNTLGVT LADMVRHTQAVARAAPKALVVADMPFMTYETGPRDALRNAARLIRAGAEAVKLEGGSEYA HVVEKLVKAGIPVMGHIGLNPQRVLALGGFKMVGKTEEQKKKLVEDAKALRDVGVFAIVV EFVPASVAKEVTQSVDVPTICIGAGPHCDGQILVLHDVVGLSERTPSFAKRYANVAEQIL SAVRQYVQEVRTKAFPAKEHYRDV