| Name,Family name,Receptor,Coreceptor,Property,Chromosomal location | |
| IL-1α,IL-1F1,IL-1RI,IL-1RAcP,Proinflammatory,2q14 | |
| IL-1β,IL-1F2,IL-1RI,IL-1RAcP,Proinflammatory,2q14 | |
| IL-1Ra,IL-1F3,IL-1RI,NA,"Antagonist for IL-1α, IL-1β",2q14.2 | |
| IL-18,IL-1F4,IL-18Rα,IL-18Rβ,Proinflammatory,11q22.2-q22.3 | |
| IL-36Ra,IL-1F5,IL-1Rrp2,NA,"Antagonist for IL-36α, IL-36β, IL-36γ",2q14 | |
| IL-36α,IL-1F6,IL-1Rrp2,IL-1RAcP,Proinflammatory,2q12 - q14.1 | |
| IL-37,IL-1F7,Unknown,Unknown,Anti-inflammatory,2q12 – q14.1 | |
| IL-36β,IL-1F8,IL-1Rrp2,IL-1RAcP,Proinflammatory,2q14 | |
| IL-36γ,IL1-F9,IL-1Rrp2,IL-1RAcP,Proinflammatory,2q12 – q21 | |
| IL-38,IL-1F10,IL-1Rrp2,Unknown,Anti-inflammatory,2q13 | |
| IL-33,IL-1F11,ST2,IL-1RAcP,"Th2 responses, proinflammatory",9p24.1 | |