HIV gp120

This image was created using WebLab and crystallographic coordinates published by Kwong et al. and deposited with the PDB.

Reference:

Kwong PD, Wyatt R, Robinson J, Sweet RW, Sodroski J, Hendrickson WA. Structure of an HIV gp120 envelope glycoprotein in complex with the CD4 receptor and a neutralizing human antibody. Nature 1998; 393(6686):648-59.