HIV Spike (image) NIH/National Institute of Allergy and Infectious Diseases Share Print E-Mail Caption This is a representation of an image taken with an electron microscope of one of the numerous spikes that jut out of the surface of HIV. The green area marks the location of the V1V2 region, where CAP256-VRC26 and other broadly neutralizing HIV antibodies bind. The blue, red and circled areas mark the three other sites where most known broadly neutralizing HIV antibodies bind. The flat area at the top represents the surface membrane of the virus. Credit NIAID Usage Restrictions None Share Print E-Mail 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.