Table 4.
Parameters used for glutamate dynamics in the bouton and cleft
| Symbol | Description | Value | Reference |
|---|---|---|---|
| A | Ca2 + association rate constant | 0.3 μM ms − 1 | [36] |
| β | Ca2 + dissociation rate constant | 3 ms − 1 | [36] |
| γ | Isomerization rate constant (forward) | 30 ms − 1 | [36] |
| Δ | Isomerization rate constant (backward) | 8 ms − 1 | [36] |
| τrec | Vesicle recovery time constant | 800 ms | [29] |
| τinac | Vesicle inactivation time constant | 3 ms | [29] |
| a1 | Ca2 + concentration at which λ is halved | 50 μM | See text |
| a2 | Slope factor of spontaneous release rate λ | 5 μM | See text |
| a3 | Maximum spontaneous release rate | 0.85 ms − 1 | See text |
| nv | Number of docked vesicles | 2 | [50] |
| gv | Glutamate concentration in single vesicles | 60 mM | [54] |
| gc | Glutamate clearance rate constant | 10 ms − 1 | [31] |