>3K3R_2|Chains C[auth A], D[auth B]|DNA (28-MER)|
GTTGATACTGTATGATCATACAGTATCAA
>3K3R_1|Chains A[auth E], B[auth F]|LexA repressor|Escherichia coli K-12 (83333)
MKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVIEIVSGASRGIRLLQEEEEGLPLVGRVAAGEPLLAQQHIEGHYQVDPSLFKPNADFLLRVSGMSMKDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVARLKKQGNKVELLPENSEFKPIVVDLRQQSFTIEGLAVGVIRNGDWL