article 5 calcium ion inositol 1,4,5 trisphosphate receptor 5 Calcium 4 Calcium Channels 4 Calcium Signaling 4 Neptunia 4 algorithm 4 calcium 4 calcium channel 4 calcium signaling 4 metabolism 4 stochastic model 4 Algorithms 3 Animals 3 Humans 3 Inositol 1,4,5-Trisphosphate 3 Inositol 1,4,5-Trisphosphate Receptors 3 Models, Biological 3 Poisson distribution 3 Stochastic Processes 3 animal 3 binding competition 3 biological model 3 cluster analysis 3 human 3 inositol 1,4,5 trisphosphate 3 molecular interaction 3 physiology 3 protein analysis 3