>1RCS_1|Chains A[auth E], B[auth F]|DNA (5'-D(*CP*GP*TP*AP*CP*TP*AP*GP*TP*TP*AP*AP*CP*TP*AP*GP*TP*AP*CP*G)-3')| CGTACTAGTTAACTAGTACG >1RCS_2|Chains C[auth A], D[auth B]|TRP REPRESSOR|Escherichia coli (562) QSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIATITRGSNSLKAAPVELRQWLEEVLLKSD