2PE5
Crystal Structure of the Lac Repressor bound to ONPG in repressed state
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, F) | DNA (5'-D(*DAP*DAP*DTP*DTP*DGP*DTP*DGP*DAP*DGP*DCP*DGP*DCP*DTP*DCP*DAP*DCP*DAP*DAP*DTP*DT)-3') | polymer | 20 | 6133.0 | 3 | synthetic construct | ||
| 2 | D, E, F (A, B, C) | Lactose operon repressor | polymer | 330 | 35410.4 | 3 | UniProt (P03023) Pfam (PF00356) Pfam (PF13377) | Escherichia coli | |
| 3 | G, H, I (A, B, C) | 2-nitrophenyl beta-D-galactopyranoside | non-polymer | 301.2 | 3 | Chemie (145) |
Sequence modifications
A, B, C: 2 - 331 (UniProt: P03023)
| PDB | External Database | Details |
|---|---|---|
| Leu 61 | Ser 61 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 124630.3 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 903.7 | |
| All* | Total formula weight | 125534.0 |
