Dynein-Dynactin Complex (image) Scripps Research Institute Share Print E-Mail Caption These are the dynein-dynactin complex (multi-color) motors down a microtubule (green). The four motor domains are shown in yellow. Dynactin (blue) provides the scaffold to keep the two dyneins together. Credit Danielle Grotjohn, Lander Lab Usage Restrictions None Share Print E-Mail 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.