How BRCA2 Works to Repair DNA (IMAGE) Imperial College London Caption BRCA2 (red) helps RAD51 (yellow) form short filaments on strands of broken DNA (blue), enabling it to look for matching strands of DNA and repair the break. Credit Imperial College London 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.