[Term] id: PR:000060721 name: retinoblastoma-associated protein sequence variant I124*, initiator methionine removed form (human) def: "A retinoblastoma-associated protein (human) that has has been truncated after the position equivalent to Asn-123 of the amino acid sequence represented by UniProtKB:P06400 and that has had the initiator methionine removed. UniProtKB:P06400, 2-123." [PRO:DNx, Reactome:R-HSA-9688023] comment: Category=organism-modification. synonym: "hRB1/var:I124*/InitMet-" EXACT PRO-short-label [PRO:DNx] synonym: "RB1 I124*" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9688023] synonym: "UniProtKB:P06400, 2-123" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-9688023 "PR:000060721 located_in GO:0005829" is_a: PR:P06400 ! retinoblastoma-associated protein (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens