6N9U
Structure of bacteriophage T7 lagging-strand DNA polymerase (D5A/E7A) interacting with primase domains of two gp4 subunits bound to an RNA/DNA hybrid and dTTP (from LagS1)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (E, F) | DNA primase/helicase | polymer | 566 | 62734.4 | 2 | UniProt (P03692) Pfam (PF08273) Pfam (PF21268) Pfam (PF01751) Pfam (PF03796) | Enterobacteria phage T7 | Gene product 4,Gp4 |
| 2 | C (H) | DNA-directed DNA polymerase | polymer | 704 | 79805.6 | 1 | UniProt (P00581) Pfam (PF00476) | Enterobacteria phage T7 (Bacteriophage T7) | Gene product 5,Gp5 |
| 3 | D (P) | RNA (5'-R(*AP*CP*CP*AP*G)-D(P*(DOC))-3') | polymer | 6 | 1842.2 | 1 | Enterobacteria phage T7 | ||
| 4 | E (T) | DNA (44-MER) | polymer | 44 | 13402.6 | 1 | Enterobacteria phage T7 | ||
| 5 | F (E) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 6 | G (H) | THYMIDINE-5'-TRIPHOSPHATE | non-polymer | 482.2 | 1 | Chemie (TTP) | |||
| 7 | H, I (H) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) |
Sequence modifications
E, F: 1 - 566 (UniProt: P03692)
| PDB | External Database | Details |
|---|---|---|
| Gln 343 | Glu 343 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 220519.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 596.2 | |
| All* | Total formula weight | 221115.4 |
