Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 2 | UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Escherichia coli (strain K12) | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | C | DNA-directed RNA polymerase subunit beta | polymer | 1342 | 150820.9 | 1 | UniProt (P0A8V2) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) In PDB | Escherichia coli (strain K12) | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | D | DNA-directed RNA polymerase subunit beta' | polymer | 1407 | 155366.8 | 1 | UniProt (P0A8T7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Escherichia coli (strain K12) | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | E | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 1 | UniProt (P0A800) Pfam (PF01192) In PDB | Escherichia coli (strain K12) | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | F | RNA polymerase sigma factor RpoD | polymer | 613 | 70352.2 | 1 | UniProt (P00579) Pfam (PF03979) Pfam (PF00140) Pfam (PF04546) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) In PDB | Escherichia coli (strain K12) | Sigma-70 |
| 6 | X | DNA/RNA (63-MER) | polymer | 63 | 19251.4 | 1 | Escherichia coli K-12 | ||
| 7 | Y | DNA (63-MER) | polymer | 63 | 19595.6 | 1 | Escherichia coli K-12 | ||
| 8 | O | DNA (18 MER) | polymer | 18 | 5525.6 | 1 | Escherichia coli K-12 | ||
| 9 | P | DNA (18 MER) | polymer | 18 | 5507.6 | 1 | Escherichia coli K-12 | ||
| 10 | C | PYROPHOSPHATE 2- | non-polymer | 176.0 | 1 | Chemie (POP) | |||
| 11 | C | CHAPSO | non-polymer | 631.9 | 2 | Chemie (1N7) | |||
| 12 | D | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 13 | D | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 509786.9 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1594.9 | |
| All* | Total formula weight | 511381.8 |
