enx:NI40_017975 K25316 amino-acid racemase [EC:5.1.1.10] | (GenBank) racemase enx:NI40_004785 K27069 LacI family transcriptional regulator, lactose operon repressor | (GenBank) lacI; lac repressor enx:NI40_004790 K01190 beta-galactosidase [EC:3.2.1.23] | (GenBank) lacZ; beta-D-galactosidase