9ISN
Cryo-EM structure of Streptomyces coelicolor sigma factor shbA transcription initiation complex
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 | 340 | 36734.6 | 2 | UniProt (A0A6G2M9E1) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) UniProt (by SIFTS) (A0A2I0SSY5) | Streptomyces coelicolor A3(2) | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | C (C) | DNA-directed RNA polymerase subunit beta | polymer | 1161 | 128644.9 | 1 | UniProt (Q9L0L0) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) Pfam (PF04560) | Streptomyces coelicolor A3(2) | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | D (D) | DNA-directed RNA polymerase subunit beta' | polymer | 1299 | 144807.1 | 1 | UniProt (Q8CJT1) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) | Streptomyces coelicolor A3(2) | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | E (F) | ECF sigma factor | polymer | 195 | 21357.3 | 1 | UniProt (Q9L0I8) Pfam (PF04542) Pfam (PF04545) | Streptomyces coelicolor A3(2) | |
| 5 | F (G) | DNA (56-MER) | polymer | 56 | 17079.9 | 1 | Streptomyces coelicolor A3(2) | ||
| 6 | G (H) | DNA (56-MER) | polymer | 56 | 17405.2 | 1 | GenBank (1851830967) | Streptomyces coelicolor A3(2) | |
| 7 | H (D) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 8 | I, J (D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 7 |
| Total formula weight | 402763.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 155.1 | |
| All* | Total formula weight | 402918.8 |
