Frameshifting Illustration (IMAGE) Colorado State University Caption Ribosomes (trains) frameshift (change tracks) at the HIV-1 frameshift sequence (yellow sign), producing large amounts of frameshifted protein (blue smoke) compared to non-frameshifted protein (green smoke). Credit Keith Rein/Salt & Paper House 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.