>sp|B4UMQ6|T23O_ANASK Tryptophan 2,3-dioxygenase OS=Anaeromyxobacter sp. GN=kynA MTDPSAHSAALTYGSYLALDELLSAQRPRSEEHDELLFIVVHQVYELWFKQVVHELAYLQ ERLHRGEGGHALATLKRVLTILKTVVSQVDVIETMTPRQFTAFRSRLEAASGFQSAQFRV LEAMLGRRDERMLAPYPPGGPGHARIAAAMAAPSLFDSLLRYLATQGFAVPPVPEAPAAG WRPPSEAVQRVLLDVYRADGEAALVCERFVDLDEGVQEWRYRHVKMVERTIGDKPGTGGS AGAQYLRTTLFTPAFPDLWAVRGAL