>1R8D_1|Chain A[auth C]|26-MER| TTGACCCTAACGTTGCGTGATTGTTT >1R8D_2|Chain B[auth D]|26-MER| AAAACAATCACGCAACGTTAGGGTCA >1R8D_3|Chains C[auth A], D[auth B]|transcription activator MtaN|Bacillus subtilis (1423) MKYQVKQVAEISGVSIRTLHHYDNIELLNPSALTDAGYRLYSDADLERLQQILFFKEIGFRLDEIKEMLDHPNFDRKAALQSQKEILMKKKQRMDEMIQTIDRTLLSVD