[Term] id: PR:000026553 name: tyrosine-protein phosphatase non-receptor type substrate 1 isoform 1, signal peptide removed form def: "A tyrosine-protein phosphatase non-receptor type substrate 1 isoform 1 that has had the signal peptide removed." [PRO:DAN] comment: Category=modification. synonym: "SIRPA/iso:1/SigPep-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000026551 ! tyrosine-protein phosphatase non-receptor type substrate 1 isoform 1 intersection_of: lacks_part SO:0000418 ! signal_peptide