voltage-gated potassium channel database voltage-gated potassium channel database vkcdb (voltage-gated potassium channel database) is a database of functional data about the voltage-gated potassium channels. vkcdbcontentdescriptionvoltage-gated potassium channel database.contactresearch centeruniversity of albertalaboratorydepartment of biological sciencesauthorsbin liprimary citationli & al. (2004)release date2004accesswebsitehttp://vkcdb.biology.ualberta.ca