[Term] id: PR:000045943 name: splicing factor 1 phosphorylated 1 (human) def: "A splicing factor 1 (human) that has been phosphorylated on the residue at the position equivalent to Ser-20 of the amino acid sequence represented by UniProtKB:Q15637-1. Example: UniProtKB:Q15637-1, Ser-20, MOD:00046." [PMID:10449420, iPTMnet:Q15637] comment: Category=organism-modification. Evidence=(ECO:0000006, based on PMID:10449420). Status=unreviewed. synonym: "hSF1/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q15637, Ser-20, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q15637-1, Ser-20, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:Q15637 ! splicing factor 1 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens