Hu, X., Zhou, T., Cui, T., Du, Y., Song, C., Chang, W., Xiong, J., Qin, J., Deng, L., Ji, W. (2025). SigmaR1 is an auxiliary translocon factor with lipid-binding activity that regulates protein and lipid droplet homeostasis. Nature Communications. https://doi.org/10.1038/s41467-025-68157-7