[Term] id: PR:000062830 name: retinoblastoma-associated protein, initiator methionine removed phosphorylated 9 (human) def: "A retinoblastoma-associated protein (human) that has had the initiator methionine removed and that has been phosphorylated on the residue at the position equivalent to Ser-780 of the amino acid sequence represented by UniProtKB:P06400. UniProtKB:P06400, 2-928, Ser-780, MOD:00046." [PRO:DNx, Reactome:R-HSA-9687353] comment: Category=organism-modification. synonym: "hRB1/InitMet-/Phos:9" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P06400, 2-928, Ser-780, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "p-S780-RB1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9687353] xref: Reactome:R-HSA-9687353 "PR:000062830 located_in GO:0005654" is_a: PR:P06400 ! retinoblastoma-associated protein (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: has_part MOD:00046 ! O-phospho-L-serine