[Term] id: PR:000074745 name: serine/threonine-protein kinase ATR phosphorylated 2 (human) def: "A serine/threonine-protein kinase ATR (human) that has been phosphorylated on the residue at the position equivalent to Ser-464 of the amino acid sequence represented by UniProtKB:Q13535-1. Example: UniProtKB:Q13535-1, Ser-464, MOD:00046." [PRO:DNx, IEDB_epitope:845339] comment: Category=organism-modification. synonym: "hATR/Phos:2" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q13535, Ser-464, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q13535-1, Ser-464, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:Q13535 ! serine/threonine-protein kinase ATR (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens