Antibody (IMAGE) Cell Press Caption An antibody (light and dark gray for heavy and light chains respectively), the CDRs of the antibody (cyan) and the FWR mutations (magenta) are found in a broadly neutralizing anti-HIV-1 antibody called NIH45-46. Credit <I>Cell</I>, Nussenzweig et al. Usage Restrictions Proper credit required 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.