| PDB ID: 5tw1 Macromolecule: DNA-DIRECTED RNAPOLYMERASE SUBUNIT BETA Source Organism: Mycolicibacteriumsmegmatis 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)PF10385(RNA_pol_Rpb2_45) |