>5K5I_1|Chain A|Transcriptional repressor CTCF|Homo sapiens (9606) GPLGSPFQCSLCSYASRDTYKLKRHMRTHSGEKPYECYICHARFTQSGTMKMHILQKHTENVAKFHCPHCDTVIARKSDLGVHLRKQHSYIEQGKKCRYCDAVFHERYALIQHQKSH >5K5I_2|Chain B|DNA (5'-D(*CP*CP*CP*TP*GP*CP*TP*GP*GP*CP*AP*CP*C)-3')|synthetic construct (32630) CCCTGCTGGCACC >5K5I_3|Chain C|DNA (5'-D(*GP*TP*GP*CP*CP*AP*GP*CP*AP*GP*GP*GP*G)-3')|synthetic construct (32630) GTGCCAGCAGGGG