>tr|A0A644TEL5|A0A644TEL5_9ZZZZ Arginine repressor OS=bioreactor metagenome GN=argR_2 MKTRRQMKIQEIINNQVIHTQEELAELLRKAGFDVTQATVSRDIKEMGLIKVPTSEDDYR YAVPGTAQPLSTPDRLKRRLRETVVTVNDSENLVVLRTIPGNAQALASLIDHSNWEEVIG TVAGDDTILLVVKPAGAVPSVRERIAKLMQ