Multimeric ion channel
├──Trimeric ion channel ...
│ └──ATP-gated ion channel
├──Pentameric ion channel ...
│ └──Cys-loop ligand-gated ion channel ...
│ ├──Cationic cys-loop ligand-gated ion channel ...
│ │ ├──Acetylcholine-gated channel (nicotinic)
│ │ └──Serotonin-gated channel (5-HT3)
│ └──Anionic cys-loop ligand-gated ion channel ...
│ ├──GluCl glutamate-gated chloride channel
│ ├──Glycine-gated chloride channel
│ ├──Histamine-gated chloride channel
│ ├──Serotonin-gated anionic channel
│ └──GABA-gated anionic channel ...
│ ├──GABA C-gated anionic channel
│ └──GABA A-gated anionic channel ...
│ ├──GABRA1
│ └──GABRA2
├──Dimeric ion channel ...
│ └──Inwardly rectifying potassium channel ...
│ ├──Inwardly rectifying potassium channel - type 1 ...
│ │ └──Kir1.1
│ ├──Inwardly rectifying potassium channel - type 5 ...
│ │ └──Kir5.1
│ ├──Inwardly rectifying potassium channel - type 7 ...
│ │ └──Kir7.1
│ ├──Inwardly rectifying potassium channel - type 4 ...
│ │ ├──Kir4.1
│ │ └──Kir4.2
│ ├──Inwardly rectifying potassium channel - type 6 ...
│ │ ├──Kir6.1
│ │ └──Kir6.2
│ ├──Inwardly rectifying potassium channel - type 2 ...
│ │ ├──Kir2.1
│ │ ├──Kir2.2
│ │ ├──Kir2.3
│ │ └──Kir2.4
│ └──Inwardly rectifying potassium channel - type 3 ...
│ ├──Kir3.1
│ ├──Kir3.2
│ ├──Kir3.3
│ └──Kir3.4
├──Tetrameric ion channel ...
│ ├──Glutamate-gated cationic channel ...
│ │ ├──AMPA-type glutamate-gated cationic channel
│ │ ├──Kainate glutamate-gated cationic channel
│ │ └──NMDA-type glutamate-gated cationic channel
│ ├──Cyclic-nucleotide gated channel ...
│ │ ├──Cyclic-nucleotide gated channel - type B ...
│ │ │ ├──CNGB1
│ │ │ └──CNGB3
│ │ └──Cyclic-nucleotide gated channel - type A ...
│ │ ├──CNGA1
│ │ ├──CNGA2
│ │ ├──CNGA3
│ │ └──CNGA4
│ └──Calcium-activated potassium channel ...
│ ├──Calcium-activated potassium channel - type 1 ...
│ │ └──Kca1.1
│ ├──Calcium-activated potassium channel - type 3 ...
│ │ └──Kca3.1
│ ├──Calcium-activated potassium channel - type 5 ...
│ │ └──Kca5.1
│ ├──Calcium-activated potassium channel - type 4 ...
│ │ ├──Kca4.1
│ │ └──Kca4.2
│ └──Calcium-activated potassium channel - type 2 ...
│ ├──Kca2.1
│ ├──Kca2.2
│ └──Kca2.3
├──Dimeric dimer ion channel ...
│ └──Two pore potassium channel ...
│ ├──Two pore potassium channel - type 1 ...
│ │ └──K2p1.1
│ ├──Two pore potassium channel - type 2 ...
│ │ └──K2p2.1
│ ├──Two pore potassium channel - type 3 ...
│ │ └──K2p3.1
│ ├──Two pore potassium channel - type 4 ...
│ │ └──K2p4.1
│ ├──Two pore potassium channel - type 5 ...
│ │ └──K2p5.1
│ ├──Two pore potassium channel - type 6 ...
│ │ └──K2p6.1
│ ├──Two pore potassium channel - type 7 ...
│ │ └──K2p7.1
│ ├──Two pore potassium channel - type 9 ...
│ │ └──K2p9.1
│ ├──Two pore potassium channel - type 10 ...
│ │ └──K2p10.1
│ ├──Two pore potassium channel - type 12 ...
│ │ └──K2p12.1
│ ├──Two pore potassium channel - type 13 ...
│ │ └──K2p13.1
│ ├──Two pore potassium channel - type 15 ...
│ │ └──K2p15.1
│ ├──Two pore potassium channel - type 16 ...
│ │ └──K2p16.1
│ ├──Two pore potassium channel - type 17 ...
│ │ └──K2birnlex_annot.1
│ └──Two pore potassium channel - type 18 ...
│ └──K2p18.1
└──Multimeric Voltage-gated ion channel ...
└──Tetrameric Voltage-gated ion channel ...
├──Hyperpolarization and cyclic-nucleotide gated channel ...
│ ├──HCN1
│ ├──HCN2
│ ├──HCN3
│ └──HCN4
├──Transient receptor potential related channel ...
│ ├──Transient receptor potential related channel - two-pore type ...
│ │ ├──TPC1
│ │ └──TPC2
│ ├──Transient receptor potential related channel - mucolipin type ...
│ │ ├──TRPML1
│ │ ├──TRPML2
│ │ └──TRPML3
│ ├──Transient receptor potential related channel - PKD type ...
│ │ ├──TRPP1
│ │ ├──TRPP2
│ │ └──TRPP3
│ └──Transient receptor potential related channel - sperm-specific Ca+2-selective type ...
│ ├──CatSper1
│ ├──CatSper2
│ ├──CatSper3
│ └──CatSper4
├──Transient receptor potential channel ...
│ ├──ANKTM1
│ ├──Transient receptor potential channel - type V ...
│ │ ├──TRPV1
│ │ ├──TRPV2
│ │ ├──TRPV3
│ │ ├──TRPV4
│ │ ├──TRPV5
│ │ └──TRPV6
│ ├──Transient receptor potential channel - type C ...
│ │ ├──TRPC1
│ │ ├──TRPC2
│ │ ├──TRPC3
│ │ ├──TRPC4
│ │ ├──TRPC5
│ │ ├──TRPC6
│ │ └──TRPC7
│ └──Transient receptor potential channel - type M ...
│ ├──TRPM1
│ ├──TRPM2
│ ├──TRPM3
│ ├──TRPM4
│ ├──TRPM5
│ ├──TRPM6
│ ├──TRPM7
│ └──TRPM8
└──Voltage-gated potassium channel ...
├──Voltage-gated potassium channel - type 5 ...
│ └──Kv5.1
├──Voltage-gated potassium channel - type 2 ...
│ ├──Kv2.1
│ └──Kv2.2
├──Voltage-gated potassium channel - type 8 ...
│ ├──Kv8.1
│ └──Kv8.2
├──Voltage-gated potassium channel - type 10 ...
│ ├──Kv10.1
│ └──Kv10.2
├──Voltage-gated potassium channel - type 4 ...
│ ├──Kv4.1
│ ├──Kv4.2
│ └──Kv4.3
├──Voltage-gated potassium channel - type 9 ...
│ ├──Kv9.1
│ ├──Kv9.2
│ └──Kv9.3
├──Voltage-gated potassium channel - type 11 ...
│ ├──Kv11.1
│ ├──Kv11.2
│ └──Kv11.3
├──Voltage-gated potassium channel - type 12 ...
│ ├──Kv12.1
│ ├──Kv12.2
│ └──Kv12.3
├──Voltage-gated potassium channel - type 3 ...
│ ├──Kv3.1
│ ├──Kv3.2
│ ├──Kv3.3
│ └──Kv3.4
├──Voltage-gated potassium channel - type 6 ...
│ ├──Kv6.1
│ ├──Kv6.2
│ ├──Kv6.3
│ └──Kv6.4
├──Voltage-gated potassium channel - type 7 ...
│ ├──Kv7.1
│ ├──Kv7.2
│ ├──Kv7.3
│ ├──Kv7.4
│ └──Kv7.5
└──Voltage-gated potassium channel - type 1 ...
├──Kv1.1
├──Kv1.2
├──Kv1.3
├──Kv1.4
├──Kv1.5
├──Kv1.6
├──Kv1.7
└──Kv1.8