[Term] id: PR:000028926 name: mediator of RNA polymerase II transcription subunit 1 isoform 4 def: "A mediator of RNA polymerase II transcription subunit 1 that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q925J9-4 or a 1:1 ortholog thereof." [PRO:HJD, PMID:11471062] comment: Category=sequence. synonym: "MED1/iso:4" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q925J9-4 is_a: PR:000010279 ! mediator of RNA polymerase II transcription subunit 1