[Term] id: PR:000070876 name: phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform phosphorylated 1 (human) def: "A phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform (human) that has been phosphorylated on the residue at the position equivalent to Ser-167 of the amino acid sequence represented by UniProtKB:P42338. UniProtKB:P42338, Ser-167, MOD:00046." [PRO:DNx, IEDB_epitope:912186] comment: Category=organism-modification. synonym: "hPIK3CB/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P42338, Ser-167, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:P42338 ! phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens