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. 2009 Aug 11;284(41):27989–27997. doi: 10.1074/jbc.M109.016337

FIGURE 2.

FIGURE 2.

Biochemical studies of the CNBD of the mHCN2, mEAG1, and hERG1 channels. A, size exclusion profiles of the isolated CNBD used in the study. Runs were performed on a Superdex 200 column. The void volume is indicated by the arrow. B–D, CD spectra of the isolated CNBD of the indicated channels in the far-ultraviolet region. 100 μm cAMP was added to the CNBD in C and D as indicated.