The Oct4-Nucleosome Complex (IMAGE) Hubrecht Institute Caption The pioneer transcription factor Oct4 (blue) binds to the nucleosome (a complex of proteins (green) and the DNA (orange) wrapped around these proteins). Credit Jan Huertas and Vlad Cojocaru, ©MPI Münster, ©Hubrecht Institute Usage Restrictions The image may only be used with appropriate caption and credit. 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.