Table 3. Overview of possible reactions and their rates in the model.

Reaction	Condition	Triplet notation	Reaction rate
Binding of PI(4,5)P2 to unbound syt	n+m+k<nsyts and n+k < Mslots	(n,m,k)->(n,m,k+1)	(nsyts-n-m-k)(Mslots-n-k) [PI(4,5)P2]γ
Unbinding of PI(4,5)P2	k>0	(n,m,k)->(n,m,k-1)	kδ
Binding of Ca2+2 to unbound syt	n+m+k<nsyts	(n,m,k)->(n,m+1,k)	(nsyts-n-m-k)[Ca2+]2α
Unbinding of Ca2+2	m>0	(n,m,k)->(n,m-1,k)	mβ
Binding of PI(4,5)P2 to form dual binding	n+k<Mslots and m>0	(n,m,k)->(n+1,m-1,k)	m(Mslots-n-k)[PI(4,5)P2] γ
Unbinding of PI(4,5)P2 from a dual binding	n>0	(n,m,k)->(n-1, m+1,k)	Anδ
Binding of Ca2+2 to form a dual binding	k>0	(n,m,k)->(n+1,m,k-1)	k[Ca2+]2α
Unbinding of Ca2+2 from a dual binding	n>0	(n,m,k)->(n-1,m,k+1)	Anβ
Fusion		(n,m,k)->(F)	L+⋅fn