9UJN
CryoEM structure of the T.thermophilus transcription initiation complex bound to ATP-C, -1 dC in the template DNA strand
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | DNA-directed RNA polymerase subunit alpha | polymer | 315 | 35056.2 | 2 | UniProt (Q5SHR6) | Thermus thermophilus HB8 | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | C (C) | DNA-directed RNA polymerase subunit beta | polymer | 1119 | 125436.5 | 1 | UniProt (Q8RQE9) | Thermus thermophilus HB8 | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | D (D) | DNA-directed RNA polymerase subunit beta' | polymer | 1524 | 170997.4 | 1 | UniProt (Q8RQE8) | Thermus thermophilus HB8 | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | E (E) | DNA-directed RNA polymerase subunit omega | polymer | 99 | 11533.3 | 1 | UniProt (Q8RQE7) | Thermus thermophilus HB8 | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | F (F) | RNA polymerase sigma factor SigA | polymer | 423 | 48598.0 | 1 | UniProt (Q5SKW1) | Thermus thermophilus HB8 | |
| 6 | G (G) | template DNA strand | polymer | 48 | 14831.5 | 1 | Thermus thermophilus HB8 | ||
| 7 | H (H) | non-template DNA strand | polymer | 48 | 14863.5 | 1 | Thermus thermophilus HB8 | ||
| 8 | I, M, N (A, D) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 9 | J (B) | CHAPSO | non-polymer | 631.9 | 1 | Chemie (1N7) | |||
| 10 | K, L (D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 11 | O (D) | CYTIDINE-5'-MONOPHOSPHATE | non-polymer | 323.2 | 1 | Chemie (C5P) | |||
| 12 | P (G) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 13 | Q (D) | water | water | 18.0 | 1 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 456372.7 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1666.0 | |
| All* | Total formula weight | 458038.7 |
