The<unk>  family contains 4 members –<unk> 1,<unk> 2,<unk> 3, and<unk> 4.<unk> 4 is often referred to as IK (Intermediate conductance) due to its higher conductance 20 – 80 pS. Channel Gene Aliases Associated subunits<unk> 1 Kca2.1 calmodulin, PP2A, CK2<unk> 2 Kca2.2 calmodulin, PP2A, CK2<unk> 3 Kca2.3 calmodulin, PP2A, CK2<unk> 4 Kca3.1 calmodulin, PP2A, CK2
SK channel
Mechanosensitive channels
Glutamate transporter
Cyclic nucleotide–gated ion channel
G protein-gated ion channel
Norepinephrine transporter
Voltage-gated ion channel
Co-receptor