transcriptional activator of the [[gene|1CFF7202AC6078B6BAD1253F77FD4FE227C046DB]]-[[gene|A52E50104B18D0A8518218C52D9CC36FDDB29AAF]]-[[gene|8E08A0333E4EC89003DA3C1DD8DCD39CDDC8624C]]-[[gene|1FD06CB6E81C920EFC656DBE2A13D68B1AA68872]]-[[gene|9F298088C0A9EB7FE140C935AFC9243C6D4DE8AE]]-[[gene|A024921961A786294199EA12E04456C890ED8D8C]]-[[gene|262C9FD20C7A70B6F1FEB57735FA800F38EAB25A]] operon