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h-current kinetics
nh = 1 - ((1 - mhy + 4mh(l - m⅛)3)
mh = ah(l - mh) - βhmh
ан - 18/(1 + exp((v + 88)/12))
βh = 18/(1 + exp(-(v + 18)/19))
Probability of ≥ 2 of 4 particles being open
Probability of one particle being open
kx-current kinetics
∏^kx ~ ɑfeæ(l ^ʃɪfeʃ) βkx^kx
akx = 0.66exp ((υ + 50)/(2 ■ 5.7))
∕3fcτ = 0.66 exp (-(υ + 50)/(2 ■ 5.7))
Two-state noninactivating kinetics
kv-current kinetics
τ⅛υ = r∏l,υhkv Gating with 3 activation and 1 inactivation particles
τrikυ = amkv ( 1 - mmkυ ) - βmkυmmkυ Activation particle
amkv = 5(100 - 77)∕exp((lOO - t>)∕42) - 1)
βmkυ = 9exp(-(z? - 20)/40)
hkυ ~ ɑftfet)(l hkυ) βhkvhkv
Inactivation particle
ahkv = 0.15exp(-w∕22)
βhkυ = 0.4125/exp(-(t> - 10)/7 + 1)