>tr|A0A3R7FH58|A0A3R7FH58_XANCA 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Xanthomonas campestris GN=panB MSSHADSKPWTVPALAQAKRDGRKLVMLTAYDAGFARTFDANGVDLILVGDSLGMVVQGH ESTLPVTTADMVYHTAAVARVLERALLVADLSFQADATPERALDAATQLLQAGAEMVKIE GAGHKLDVIRYLVEREIPVCSHLGLTPQSVLRFGGYKVQGRGEAGEQLRRDAQAAVDAGA SLIVLECVPTPIAAQISAELRVPTIGIGAGPGCDGQVLVMHDMLGLDSGHRRPKFVKDFL AEGGSVAGAVQAYAQAVRDGSFPDAEHAYAA