J . A m . Chem. SOC.1985, 107, 7648-7652
7648
Conformational Characterization of Glycine Residues Incorporated into Some Homopolypeptides by Solid-state NMR Spectroscopy
13C
Shinji Ando,? Takeshi Yamanobe,? Isao Ando,*? Akira Shoji,t Takuo Ozaki,t Ryoko Tabeta,$ and Hazime Saita8 Contribution f r o m the Department of Polymer Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan 152, the Department of Industrial Chemistry, College of Technology, Gunma University, Tenjin-cho, Kiryu-shi, Gunma. Japan 376, and the Biophysics Division, National Cancer Center Research Institute, Tsukiji, Chuo- ku, Tokyo, Japan 104. Received April 29, 1985
Abstract: I3C NMR spectra of a variety of polypeptides containing I3C-enriched [l-13C]glycine[(Gly*)] residue as a minor component (