>5C8A_1|Chains A, B, C, D|Light-dependent transcriptional regulator CarH|Thermus thermophilus (262724) PEDLGTGLLEALLRGDLAGAEALFRRGLRFWGPEGVLEHLLLPVLREVGEAWHRGEIGVAEEHLASTFLRARLQELLDLAGFPPGPPVLVTTPPGERHEIGAMLAAYHLRRKGVPALYLGPDTPLPDLRALARRLGAGAVVLSAVLSEPLRALPDGALKDLAPRVFLGGQGAGPEEARRLGAEYMEDLKGLAEALWLPRGPEKEAI