Isoreticular, interpenetrating co-crystal of Replication Initiator Protein REPE54 and scaffold-insert duplexes (21mer and 10mer) containing the cognate REPE54 sequence and an additional T-A rich sequence, respectively.
7ur0 is a 5 chain structure with sequence from Escherichia coli and Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.