[Term] id: PR:000084726 name: mediator of RNA polymerase II transcription subunit 21 phosphorylated 1 (human) def: "A mediator of RNA polymerase II transcription subunit 21 (human) that has been phosphorylated on the residue at the position equivalent to Ser-78 of the amino acid sequence represented by UniProtKB:Q13503. UniProtKB:Q13503, Ser-78, MOD:00046." [PRO:DNx, IEDB_epitope:1362727] comment: Category=organism-modification. synonym: "hMED21/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q13503, Ser-78, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q13503 ! mediator of RNA polymerase II transcription subunit 21 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens