1NUI
Crystal Structure of the primase fragment of Bacteriophage T7 primase-helicase protein
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | DNA primase/helicase | polymer | 255 | 28400.8 | 2 | UniProt (P03692) Pfam (PF08273) Pfam (PF21268) Pfam (PF01751) | Enterobacteria phage T7 | |
| 2 | C, F (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | D, E, G, H (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | I, J (A, B) | water | water | 18.0 | 14 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 255 (UniProt: P03692)
| PDB | External Database | Details |
|---|---|---|
| Gly 64 | Met 64 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 56801.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 228.0 | |
| All* | Total formula weight | 57029.7 |
