[Term] id: PR:000020245 name: interferon alpha-21, signal peptide removed form def: "An interferon alpha-21 that has had the signal peptide removed." [PRO:DNx] comment: Category=modification. synonym: "IFNA21/SigPep-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000008916 ! interferon alpha-21 intersection_of: lacks_part SO:0000418 ! signal_peptide