>1ZAY_1|Chain A[auth M]|DNA (5'-D(*AP*AP*CP*GP*AP*AP*AP*AP*TP*(1AP)P*TP*TP*TP*TP*CP*GP*T)-3')|
AACGAAAATATTTTCGT
>1ZAY_2|Chain B[auth A]|PROTEIN (PURINE REPRESSOR)|Escherichia coli (562)
ATIKDVAKRANVSTTTVSHVINKTRFVAEETRNAVWAAIKELHYSPSAVARSLKVNHTKSIGLLATSSEAAYFAEIIEAVEKNCFQKGYTLILGNAWNNLEKQRAYLSMMAQKRVDGLLVMCSEYPEPLLAMLEEYRHIPMVVMDWGEAKADFTDAVIDNAFEGGYMAGRYLIERGHREIGVIPGPLERNTGAGRLAGFMKAMEEAMIKVPESWIVQGDFEPESGYRAMQQILSQPHRPTAVFCGGDIMAMGALCAADEMGLRVPQDVSLIGYDNVRNARYFTPALTTIHQPKDSLGETAFNMLLDRIVNKREEPQSIEVHPRLIERRSVADGPFRDYRR