bpsa:BBU_1809 K03719 Lrp/AsnC family transcriptional regulator, leucine-responsive regulatory protein | (GenBank) asnC family protein bpsa:BBU_1334 K00453 tryptophan 2,3-dioxygenase [EC:1.13.11.11] | (GenBank) kynA; tryptophan 2,3-dioxygenase bpsa:BBU_1333 K01556 kynureninase [EC:3.7.1.3] | (GenBank) kynU; kynureninase