2Q7U
Crystal Structure of the F plasmid TraI Relaxase Domain with the Scissile Thymidine Base and Imidodiphosphate
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) | Protein traI | polymer | 301 | 33352.3 | 2 | UniProt (P14565) Pfam (PF08751) | Escherichia coli | DNA helicase I |
| 2 | C (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 3 | D (A) | IMIDO DIPHOSPHATE | non-polymer | 175.0 | 1 | Chemie (PON) | |||
| 4 | E (A) | THYMIDINE-5'-PHOSPHATE | non-polymer | 322.2 | 1 | Chemie (TMP) | |||
| 5 | F, G (A, B) | water | water | 18.0 | 45 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 300 (UniProt: P14565)
| PDB | External Database | Details |
|---|---|---|
| Phe 16 | Tyr 16 | engineered mutation |
| Ser 301 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 66704.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 521.5 | |
| All* | Total formula weight | 67226.0 |
