>sp|Q3AS53|PANB_CHLCH 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Chlorobium chlorochromatii GN=panB MPHRDQPKTAHVTTRRLLDMKQQGEKISMLTAYDYTMARILDRAGVDVLLVGDSASNVFS GHSTTLPITIEEMIYHAKAVVRGVHDETGRAMVVIDMPFMSYQLSSEEALRNAGKIMKEH ECDAVKMEGGHVIVESVKRITDVGIPVMGHLGLMPQSIYKYGSYRVRAQEEQEAEQLLRD AELLEKAGAFAIVLEKIPSALAAQVTASLTIPTIGIGAGVACDGQVLVINDILGLNREFH PRFVRQYVDLNSMIEQVARQYVTDVRGCDFPSSNESY