4KMU
X-ray crystal structure of the Escherichia coli RNA polymerase in complex with Rifampin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, F, G | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 4 | UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Escherichia coli | RNAP subunit alpha, RNA polymerase subunit alpha, Transcriptase subunit alpha |
| 2 | C, H | DNA-directed RNA polymerase subunit beta | polymer | 1342 | 150820.9 | 2 | UniProt (P0A8V2) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) In PDB | Escherichia coli | RNAP subunit beta, RNA polymerase subunit beta, Transcriptase subunit beta |
| 3 | D, I | DNA-directed RNA polymerase subunit beta' | polymer | 1407 | 155366.8 | 2 | UniProt (P0A8T7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Escherichia coli | RNAP subunit beta', RNA polymerase subunit beta', Transcriptase subunit beta' |
| 4 | E, J | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 2 | UniProt (P0A800) Pfam (PF01192) In PDB | Escherichia coli | RNAP omega subunit, RNA polymerase omega subunit, Transcriptase subunit omega |
| 5 | X, Y | RNA polymerase sigma factor RpoD | polymer | 613 | 70352.2 | 2 | UniProt (P00579) Pfam (PF03979) Pfam (PF00140) Pfam (PF04546) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) In PDB | Escherichia coli | Sigma-70 |
| 6 | C, H | RIFAMPICIN | non-polymer | 822.9 | 2 | Chemie (RFP) | |||
| 7 | D, I | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 8 | D, I | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 12 |
| Total formula weight | 919813.6 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1956.1 | |
| All* | Total formula weight | 921769.7 |
