[Term] id: PR:000062514 name: retinoblastoma-associated protein, initiator methionine removed phosphorylated 6 (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-608 of the amino acid sequence represented by UniProtKB:P06400. UniProtKB:P06400, 2-928, Ser-608, MOD:00046." [PRO:DNx, Reactome:R-HSA-9687351] comment: Category=organism-modification. synonym: "hRB1/InitMet-/Phos:6" EXACT PRO-short-label [PRO:DNx] synonym: "p-S608-RB1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9687351] synonym: "UniProtKB:P06400, 2-928, Ser-608, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-9687351 "PR:000062514 located_in GO:0005654" is_a: PR:P06400 ! retinoblastoma-associated protein (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens