RNA polymerase I

RNA polymerase 1 (also known as Pol I) is, in higher eukaryotes, the polymerase that only transcribes ribosomal RNA (but not 5S rRNA, which is synthesized by RNA polymerase III), a type of RNA that accounts for over 50% of the total RNA synthesized in a cell.[1]

  1. ^ Russell, Jackie; Zomerdijk, Joost C B M (2006). "The RNA polymerase I transcription machinery". Biochemical Society Symposium. 73 (73): 203–16. doi:10.1042/bss0730203. PMC 3858827. PMID 16626300.