[Term] id: PR:000019523 name: alpha-S1-casein, signal peptide removed form def: "An alpha-S1-casein that has had the signal peptide removed." [PRO:DNx] comment: Category=modification. synonym: "CSN1S1/SigPep-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000005940 ! alpha-S1-casein intersection_of: lacks_part SO:0000418 ! signal_peptide