Unlabeled NMR Approach with Site-Specific Methyl Assignments for Structural Evaluation of the IgG1 Fc Region - Saeko Yanaka; Yuuki Koseki; Yohei Miyanoiri; Toshio Yamazaki; Tsutomu Terauchi; Daichi Kaneko; Yukiko Isono; Kohei Tomita; Sachiko Kondo; Masayoshi Onitsuka; Maho Yagi-Utsumi; Hirokazu Yagi; et al. (Journal of the American Chemical Society, 2026)