Antibody Architecture (IMAGE) California Institute of Technology Caption This anti-HIV antibody has a typical Y-shaped architecture and a span of 15 nanometers. Credit Caltech/Joshua Klein Usage Restrictions With credit as given above 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.