>4G3K_1|Chains A, B|Transcriptional regulator nlh1|Aquifex aeolicus (224324) MDLKVEIETLYEVSKILSSSLNLETTVPYIFRLLKKLMGFERLTLTIYDPSTDQIVVRATSSGKFPKEGFKKGEGITGKVWKHGVPIVIPDISQEPEFLNKVWKRKKSKKKIAFIAVPIKSGGKVIGVLSADKEINEKDSLDEYTRFLSMIATLIANSFSLERKVQAERKSLEEE