The endoplasmic reticulum proteostasis network profoundly shapes the protein sequence space accessible to HIV envelope. - Yoon J; Nekongo EE; Patrick JE; Hui T; Phillips AM; Ponomarenko AI; Hendel SJ; Sebastian RM; Zhang YM; Butty VL; Ogbunugafor CB; Lin YS; et al. (PLoS biology, 2022)