[Term] id: PR:000001091 name: interleukin-1 def: "A protein that has a core domain composition consisting of a propeptide region and an Interleukin-1 / 18 domain." [PRO:CNA, PMID:8001745] comment: Category=family. xref: PIRSF:PIRSF001937 is_a: PR:000000001 ! protein