Mcm2-7 (IMAGE) Van Andel Research Institute Caption This is Mcm2-7 double hexamer on DNA, a critical early step in DNA replication. Credit Courtesy of Van Andel Research Institute and Dr. Huilin Li. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.