6N7V
Structure of bacteriophage T7 gp4 (helicase-primase, E343Q mutant) in complex with ssDNA, dTTP, AC dinucleotide, and CTP (from multiple lead complexes)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D, E... (A, B, C, D, E...) | DNA primase/helicase | polymer | 566 | 62734.4 | 6 | UniProt (P03692) Pfam (PF08273) Pfam (PF21268) Pfam (PF01751) Pfam (PF03796) | Enterobacteria phage T7 | Gene product 4,Gp4 |
| 2 | G (T) | DNA (93-MER) | polymer | 76 | 23278.8 | 1 | Enterobacteria phage T7 | ||
| 3 | H, J, L, N, P (B, C, D, E, F) | THYMIDINE-5'-TRIPHOSPHATE | non-polymer | 482.2 | 5 | Chemie (TTP) | |||
| 4 | I, K, M, O, Q (B, C, D, E, F) | MAGNESIUM ION | non-polymer | 24.3 | 5 | Chemie (MG) |
Sequence modifications
A, B, C, D, 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 | 7 |
| Total formula weight | 399685.4 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 2532.4 | |
| All* | Total formula weight | 402217.8 |
