Hyperfine-shifted 13C resonance assignments in an iron-sulfur protein with quantum chemical verification: aliphatic C-H···S 3-center-4-electron interactions.
Westler WM, Lin IJ, Perczel A, Weinhold F, Markley JL. Hyperfine-shifted 13C resonance assignments in an iron-sulfur protein with quantum chemical verification: aliphatic C-H···S 3-center-4-electron interactions. J Am Chem Soc. 2011 Feb 09; 133(5):1310-6.