%0 Journal Article %T Structural and functional conservation of the activating Ca2+ binding site in inositol 1,4.5-trisphosphate and ryanodine receptors. %A Chen YS %A Van Petegem F %J Cell Calcium %V 108 %N 0 %D 12 2022 %M 36370621 %F 4.69 %R 10.1016/j.ceca.2022.102671 %X Inositol 1,4,5-trisphosphate receptors (IP3Rs) and Ryanodine Receptors (RyRs) dictate the release of Ca2+ from the Endoplasmic (ER) and Sarcoplasmic Reticulum (SR). Arige et al [1] investigated the functional importance of specific Ca2+-coordinating residues, unambiguously confirming the activating Ca2+ binding site in the IP3R.