4XLQ
Crystal structure of T.aquaticus transcription initiation complex containing upstream fork (-11 base-paired) promoter
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, G, H (A, B, G, H) | DNA-directed RNA polymerase subunit alpha | polymer | 314 | 34830.9 | 4 | UniProt (Q9KWU8) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) | Thermus aquaticus | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | C, I (C, I) | DNA-directed RNA polymerase subunit beta | polymer | 1119 | 124930.0 | 2 | UniProt (Q9KWU7) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) Pfam (PF04560) | Thermus aquaticus | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | D, J (D, J) | DNA-directed RNA polymerase subunit beta' | polymer | 1524 | 171187.5 | 2 | UniProt (Q9KWU6) Pfam (PF04997) Pfam (PF21668) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) | Thermus aquaticus | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | E, K (E, K) | DNA-directed RNA polymerase subunit omega | polymer | 99 | 11642.4 | 2 | UniProt (Q9EVV4) Pfam (PF01192) | Thermus aquaticus | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | F, L (F, L) | RNA polymerase sigma factor SigA | polymer | 347 | 39864.7 | 2 | UniProt (Q9EZJ8) Pfam (PF00140) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) | Thermus aquaticus | |
| 6 | M, O (O, R) | DNA (30-MER) | polymer | 30 | 9236.0 | 2 | synthetic construct | DNA non-template strand | |
| 7 | N, P (P, S) | DNA (26-MER) | polymer | 26 | 7945.2 | 2 | synthetic construct | DNA template strand | |
| 8 | Q, R, T, U (D, J) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 9 | S, V (D, J) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 16 |
| Total formula weight | 868935.2 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 310.2 | |
| All* | Total formula weight | 869245.5 |
