The deposited structure of PDB entry 8e79 coloured by chain, front view. This structure contains:

• 2 copies of DNA-directed RNA polymerase subunit alpha;
• 1 copy of DNA-directed RNA polymerase subunit beta;
• 1 copy of DNA-directed RNA polymerase subunit beta';
• 1 copy of DNA-directed RNA polymerase subunit omega;
• 1 copy of Transcription termination/antitermination protein NusG;
• 1 copy of DNA (54-MER);
• 1 copy of DNA (54-MER);
• 1 copy of RNA (42-MER);
• 1 copy of ZINC ION;
• 1 copy of MAGNESIUM ION.