| PDB ID: 5m5x Macromolecule: DNA-DIRECTED RNAPOLYMERASE I SUBUNITRPA135 Source Organism: Saccharomyces cerevisiae Pfam: PF00562(RNA_pol_Rpb2_6)PF04560(RNA_pol_Rpb2_7)PF04561(RNA_pol_Rpb2_2)PF04563(RNA_pol_Rpb2_1)PF04565(RNA_pol_Rpb2_3)PF06883(RNA_pol_Rpa2_4) |