Nocturnin Acts on NADPH (IMAGE) Princeton University Caption Close-up view of the structure of Nocturnin (red) interacting with NADPH (yellow). Credit Michael Estrella, Jin Du and Alexei Korennykh, Princeton University Usage Restrictions Credit: Michael Estrella, Jin Du and Alexei Korennykh, Princeton University 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.