During the entry of HIV into cells,the envelope glycoproteins bind receptors on target cell membrane and mediate the virus entry by fusing the viral and cell membranes.

• 在病毒入侵时,被膜糖蛋白与宿主细胞表面的受体结合,并进行一系列构象变化,使病毒粒子顺利地与宿主细胞膜融合。