Data was obtained from Table 1 from the paper:

Arthur G. Palmer III, Mark Rance, Peter E. Wright
"Intramolecular Motuions of a Zinc Finger DNA-Binding Domain from
Xfin Characterized by Proton-Detected Natural Abundance 13C
Heteronuclear NMR Spectroscopy"
JACS, 1991, 113, 4371-4380
