Distinct, Phase-Dependent Orientations of GPI and GPI-Anchored Proteins in Lipid Bilayers Revealed Using Spin Labeling and Power Saturation Electron Paramagnetic Resonance Depth Profiling - Md. Shamiul Islam; Xin Yan; Jiatong Guo; Rajendra Rohokale; Gail E. Fanucci; Zhongwu Guo (Journal of the American Chemical Society, 2026)