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. Author manuscript; available in PMC: 2017 Aug 10.
Published in final edited form as: J Am Chem Soc. 2016 Aug 2;138(31):9755–9758. doi: 10.1021/jacs.6b04155

Figure 2.

Figure 2

(A) 35 GHz CW 13C ENDOR spectra for CA with 1-13C and 2-13C-labeled SAMCA collected at g2; the doublets are split by the hyperfine coupling, and centered at the Larmor frequency as described in SI. Inset: Mims ENDOR spectra of 3-13C SAMCA. (B) 1H Davies ENDOR difference spectra of CA generated by subtracting from the spectrum of 1H-SAMCA (natural abundance) the spectra for 1,1,2,3-2H-labeled SAMCA (upper) and 1,1-2H-labeled SAMCA (lower). Spectra were collected at g2 and normalized by EPR echo height.