[Term] id: PR:000085737 name: DNA-directed RNA polymerase II subunit rpb1 phosphorylated 4 (Schizosaccharomyces pombe) def: "A DNA-directed RNA polymerase II subunit rpb1 CTD-phosphorylated form (Schizosaccharomyces pombe) that has been post-translationally modified to include phosphoserine at the fifth and seventh positions of one or more of the C-terminal heptad repeats (YSPTSPS)." [PRO:DAN, PomBase:VW, PMID:26264592] comment: Category=organism-modification. Requested by=PomBase. synonym: "Spom-rpb1/Phos:4" EXACT PRO-short-label [PRO:DNx] is_a: PR:000050494 ! DNA-directed RNA polymerase II subunit rpb1 CTD-phosphorylated form (Schizosaccharomyces pombe) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:4896 ! Schizosaccharomyces pombe