Yeast pre-initiation complex structure reveals CMGE helicase assembly and DNA replication mechanism

Scientists have determined the structure of a key complex involved in DNA replication. This structure reveals how the CMGE helicase is assembled. The research used cryo-electron microscopy to visualize the pre-initiation complex. This provided insights into the step-by-step formation of CMGE helicases and how ATP facilitates their maturation. The findings shed light on conserved mechanisms of replication fork establishment across eukaryotes and have implications for understanding related human proteins.