STAG2 and HIV-1 infection: It has been reported that Atg5 can play distinct roles within a complex, such as binding with bone marrow stromal antigen 2 to assemble a complex that promotes Lc3-associated processes in HeLa cells during HIV-1 infection,38 or binding with Tectonic β-propeller repeat containing 1 to induce autophagosome-lysosome fusion.39