[Term] id: PR:000020259 name: interferon beta 1, signal peptide removed form def: "An interferon beta 1 that has had the signal peptide removed." [PRO:DNx] comment: Category=modification. synonym: "IFNB1/SigPep-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000008924 ! interferon beta 1 intersection_of: lacks_part SO:0000418 ! signal_peptide