8FVW
CryoEM structure of E.coli transcription elongation complex bound to ppGpp
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | D, E | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 2 | UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Escherichia coli K-12 | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | F | 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 K-12 | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | G | DNA-directed RNA polymerase subunit beta' | polymer | 1416 | 156505.0 | 1 | UniProt (P0A8T7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Escherichia coli K-12 | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | H | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 1 | UniProt (P0A800) Pfam (PF01192) In PDB | Escherichia coli K-12 | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | A | DNA (53-MER) | polymer | 53 | 16211.4 | 1 | Escherichia coli | ||
| 6 | C | RNA (16-MER) | polymer | 16 | 5224.2 | 1 | Escherichia coli | ||
| 7 | B | DNA (53-MER) | polymer | 53 | 16269.4 | 1 | Escherichia coli | ||
| 8 | G | GUANOSINE-5',3'-TETRAPHOSPHATE | non-polymer | 603.2 | 1 | Chemie (G4P) | |||
| 9 | G | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 10 | G, H | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 11 | H | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 12 | water | water | 18.0 | 225 | Chemie (HOH) |
Sequence modifications
G: 2 - 1407 (UniProt: P0A8T7)
| PDB | External Database | Details |
|---|---|---|
| Val 1 | - | start codon |
| Leu 1408 | - | linker |
| Glu 1409 | - | linker |
| Val 1410 | - | linker |
| His 1411 | - | expression tag |
| His 1412 | - | expression tag |
| His 1413 | - | expression tag |
| His 1414 | - | expression tag |
| His 1415 | - | expression tag |
| His 1416 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 428397.8 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 805.6 | |
| All* | Total formula weight | 429203.4 |
