[Term] id: PR:000045557 name: phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform phosphorylated 1 (human) def: "A phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (human) that has been phosphorylated on the residue at the position equivalent to Ser-1039 of the amino acid sequence represented by UniProtKB:O00329-1. Example: UniProtKB:O00329-1, Ser-1039, MOD:00046." [PMID:10064595, iPTMnet:O00329] comment: Category=organism-modification. Evidence=(ECO:0000006, based on PMID:10064595). Status=unreviewed. synonym: "hPIK3CD/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:O00329, Ser-1039, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:O00329-1, Ser-1039, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:O00329 ! phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens