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. Author manuscript; available in PMC: 2015 May 15.
Published in final edited form as: Arch Biochem Biophys. 2014 Apr 5;0:1–11. doi: 10.1016/j.abb.2014.03.013

Figure 2.

Figure 2

Ca2+ titration curves for cTnI(167CAEDANS)-cTnC(89CDDPM) or cTnI(151CAEDANS)-cTnC(89CDDPM) labeled thin filaments containing either wild type or mutant cTnT. The normalized FRET efficiency increases as AEDANS and DDPM are brought into closer proximity upon addition of gradually increasing levels of Ca2+.