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. 2004 Sep;87(3):1507–1525. doi: 10.1529/biophysj.104.043299

TABLE 9.

Ito1 rate constants

Rate constant Kv4.3 current, ms−1 Kv1.4 current, ms−1
αa 0.675,425 · exp(0.0255 V) 1.840024 · exp(0.0077 V)
βa 0.088269 · exp(−0.0883 V) 0.010817 · exp(−0.0779 V)
αi 0.109566 0.003058
βi 3.03334 E−4 2.4936 E−6
f1 1.66120 0.52465
f2 22.2463 17.5188
f3 195.978 938.587
f4 181.609 54749.1
b1 0.72246 1.00947
b2 0.47656 1.17100
b3 7.77537 0.63902
b4 318.232 2.12035