>tr|A0A6C1KFF7|A0A6C1KFF7_XANAU 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Xanthobacter autotrophicus GN=panB MSSQADARRITAPQIQARKGGEPIVSLTSYHSHTARLLDRHVDVILVGDSLGMVMHGMET TVPVTVEMMIVHGRAVVRGTKRALIVVDLPFGSYEASHTEAFHTAARVLKETGAGAVKLE GGRRMAETVRFLVDRGVPVMGHVGLTPQAINTLGSFKARGRDDAEASIILDDARAIAEAG AFSIVLEAIAEPLARRITQEVAPPTIGIGGSPACDGQILVLEDMLGLGDRVPKFVKKYAN LGPDIEKAVASYADEVRARTFPAAEHTYAPRLVEKPAKAS