Simple Steps of CARPID (IMAGE) City University of Hong Kong Caption The yellow shade depicts the navigation system (CRISPR) that directs the CARPID components including BASU to the targeted RNA (a purple rope with stem loops on the left side). BASU "labels" (B) the adjacent binding proteins (RBP). Streptavidin (MyOne T1) is then used to recognize the binding proteins. Credit Photo source: DOI number: 10.1038/s41592-020-0866-0 Usage Restrictions Image must 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.