HIV Env Trimers (IMAGE) Scripps Research Institute Caption This graphic shows a modified HIV Env trimer (yellow) bound by neutralizing antibodies (left) and multiple modified HIV Env trimers (yellow) displayed on nanoparticle (blue) to mimic whole virus (right). Credit Jiang Zhu/Scripps Research 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.