3PWE
Crystal structure of the E. coli beta clamp mutant R103C, I305C, C260S, C333S at 2.2A resolution
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 polymerase III subunit beta | polymer | 366 | 40534.3 | 2 | UniProt (P0A988) Pfam (PF00712) Pfam (PF02767) Pfam (PF02768) | Escherichia coli | |
| 2 | C, D (A, B) | water | water | 18.0 | 335 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 366 (UniProt: P0A988)
| PDB | External Database | Details |
|---|---|---|
| Cys 103 | Arg 103 | engineered mutation |
| Ser 260 | Cys 260 | engineered mutation |
| Cys 305 | Ile 305 | engineered mutation |
| Ser 333 | Cys 333 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 81068.6 | |
| All* | Total formula weight | 81068.6 |
