6N7I
Structure of bacteriophage T7 E343Q mutant gp4 helicase-primase in complex with ssDNA, dTTP, AC dinucleotide and CTP (gp4(5)-DNA)
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 (25-MER) | polymer | 25 | 7594.9 | 1 | Enterobacteria phage T7 | ||
| 3 | H, J, L, N (B, C, D, E) | THYMIDINE-5'-TRIPHOSPHATE | non-polymer | 482.2 | 4 | Chemie (TTP) | |||
| 4 | I, K, M, O (B, C, D, E) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 5 | P (D) | water | water | 18.0 | 1 | Chemie (HOH) |
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 | 384001.5 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 2025.9 | |
| All* | Total formula weight | 386027.3 |
