>6O8N_1|Chains A, B|Transcriptional regulator, ArsR family|Rhodobacter capsulatus (1061) HMGSDTDERSAALDAEEMATRARAASNLLKALAHEGRLMIMCYLASGEKSVTELETRLSTRQAAVSQQLARLRLEGLVQSRREGKTIYYSLSDPRAARVVQTVYEQFCSGD