>tr|A0A7L4PFQ7|A0A7L4PFQ7_9CREN 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Pyrobaculum arsenaticum GN=panB MPDKKRRVTDFVKGGGPYVWVTAYDYPTAKLVDEAGVDGILVGDSLGMVVLGLPNTLGVT LADMVRHTQAVARAAPKALVVADMPFMTYETGPRDALRNAARLIRAGAEAVKLEGGSEYA HVVEKLVKAGIPVMGHIGLNPQRVLALGGFKMVGKTEEQKKKLVEDAKALRDVGVFAIVV EFVPASVAKEVTQSVDVPTICIGAGPHCDGQILVLHDVVGLSERTPSFAKRYANVAEQIL SAVRQYVQEVRTKAFPAKEHYRDV