primosome complex DnaA-oriC complex 2013-05-14T12:07:04Z DnaA-DNA complex A protein-DNA complex containing the initiator protein DnaA bound to high-affinity recognition sites in the unique origin of replication, oriC. DnaA-oriC binding is the first step in assembly of a bacterial pre-replicative complex (pre-RC) and is responsible for the timely initiation of replication once per cell cycle. cellular_component GO:1990101 bhm