Water oxidation-driven histidine dioxidation enables probe-free proximity labeling
Chaiheon Lee, Jeong Kyeong Lee, Chang‐Mo Yoo, Byeong Gyu KIM, Gwangsu Yoon, Jiwoong Kang, Seungjin Na, Hyun‐Woo Rhee, Tae‐Hyuk Kwon
This paper introduces PF-Map, a probe-free proximity labeling method using water oxidation to generate radicals for spatial protein mapping, revealing a hidden vesicle trafficking subproteome.
bioRxiv · Jun 12, 2026 · PreprintBiochemistry