There are many different types of K channels. I see often the name as KCNH2 for hERG channel.
Also, KCND1,2,3, KCNC1, etc, etc.
K must be potassium
C must be channel
N means what?
H means what? (human?)
N, D ..... I do not know, but there must be some rules. Can anyone explain me the rule?