The PaaX-type repressor MeqR2 of Arthrobacter sp. strain Rue61a, involved in the regulation of quinaldine catabolism, binds to its own promoter and to catabolic promoters and specifically responds to anthraniloyl coenzyme A.

The PaaX-type repressor MeqR2 of Arthrobacter sp. strain Rue61a, involved in the regulation of quinaldine catabolism, binds to its own promoter and to catabolic promoters and specifically responds to anthraniloyl coenzyme A.