Image (IMAGE) Kanazawa University Caption Model of translating ribosomes and elongation factors. EF1A•GTP•aatRNA and EF2 assemble to the ribosomal stalk on the translating ribosome. The translation factor pool contributes to efficient protein synthesis in a crowded intracellular environment. Credit Proceedings of the National Academy of Sciences 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.