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Table 1 Biophysical properties of Kv channel α- and β-subunits that are potentially involved in oxygen sensing

From: Hypoxic pulmonary vasoconstriction: role of voltage-gated potassium channels

Subunit Channel conductance (pS) Threshold of activation (mV) Sensitivity to hypoxia References
Kv1.2 18 -20 Yes [24**]
   -40 Yes [23*]
Kv1.5 7.1 -50 - [49]
   -30 No [27*]
   -60 No [24**]
   - Yes [26]
Kv2.1 8.5 -10 Yes [20**]
   -45 No [23*]
   -40 Yes [24**]
Kv3.1b 14-31 -20 Yes [27*]
Kv4.2 - -40 Yes [28*]
Kv1.2/Kv1.5 - -50 Yes [24**]
Kv2.1/Kv9.3 14.5 -50 Yes [20**]
   -50 Yes [24**]
Kv4.2/Kvβ1.2 - -40 Yes [28*]