Fig. 2: Molecular design of Ca2+-sensing-redox compounds.
a Molecular structure of DTTox/red, DSTox/red and BAPTA as a Ca2+-selective chelator. b BAPTA-fused DTTox and DSTox, namely BAPDiTox and BAPDiSox, respectively, which can be activated to the corresponding chalcogenol states in the presence of Ca2+.
