| Nomenclature | K2P1.1, K2P6.1, K2P7.1 | K2P2.1, K2P10.1, K2P4.1 | K2P3.1, K2P9.1, K2P15.1 | K2P16.1, K2P5.1, K2P17.1 | K2P13.1, K2P12.1 | K2P18.1 |
| HGNC, UniProt | KCNK1, O00180; KCNK6, Q9Y257; KCNK7, Q9Y2U2 | KCNK2, O95069; KCNK10, P57789; KCNK4, Q9NYG8 | KCNK3, O14649; KCNK9, Q9NPC2; KCNK15, Q9H427 | KCNK16, Q96T55; KCNK5, O95279; KCNK17, Q96T54 | KCNK13, Q9HB14; KCNK12, Q9HB15 | KCNK18, Q7Z418 |
| Endogenous activators (EC50) | – | arachidonic acid | – | – | – | – |
| Activators (EC50) | – | halothane, riluzole | halothane | – | – | – |
| Inhibitors | – | – | anandamide, ruthenium red | – | halothane | – |
| Endogenous inhibitors | – | – | – | – | – | arachidonic acid |
| Functional characteristics | Background current | Background current | Background current | Background current | Background current | Background current |
| Comment | K2P1.1 is inhibited by acid pHi, K2P6.1 is inhibited by acid pHi, K2P7.1 is inhibited by acid pHi | K2P2.1 is also activated by stretch, heat and acid pHi, K2P10.1 is also activated by stretch, heat and acid pHi, K2P4.1 is also activated by stretch, heat and acid pHi | K2P3.1 is also activated by alkakine pHo and inhibited by acid pHo, K2P9.1 is also inhibited by acid pHo, K2P15.1 is inhibited by acid pHo | K2P16.1 is activated by alkaline pHo, K2P5.1 is activated by alkaline pHo, K2P17.1 is activated by alkaline pHo | – | – |
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