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. Author manuscript; available in PMC: 2012 Jul 21.
Published in final edited form as: J Phys Chem Lett. 2011 Jul 21;2(14):1836–1841. doi: 10.1021/jz200768r

Figure 2.

Figure 2

2D 13C-13C correlation spectra of (a) DsbB/CuDMPE-DTPA (recycle delay 0.3 s) and (b) DsbB/CuEDTA (recycle delay 0.5 s) under 36 kHz MAS with RFDR 3.6 ms mixing (B0 = 11.7 T, Tsample = −15 °C, maximum t1 = 15.36 ms, maximum t2 = 20.48 ms). The crosspeak pattern is the same between the two samples, indicating both CuDMPE-DTPA and CuEDTA are effective in shortening 1H T1 of membrane protein DsbB. Both data were processed with 40 and 40 Hz net line broadening in each dimension and plotted at the same contour levels, with the lowest contour at 5σ.