The data is published in:
A Folded Excited State of Ligand-Free Nuclear Coactivator Binding Domain (NCBD) Underlies Plasticity in Ligand Recognition.
Kjaergaard, M., Andersen, L., Nielsen, L.D. & Teilum, K. (2013).
Biochemistry 52, 1686–1693
with experimental conditions that
"off-resonance R1rho relaxation dispersion experiments on 15N were recorded at 18.8 T and 31 C."
"using the pulse sequence of Mulder et al. with spin-lock field strengths from 431 to 1649 Hz and offsets ranging from 0 to 10000 Hz."