3ECH
The MarR-family repressor MexR in complex with its antirepressor ArmR
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) | Multidrug resistance operon repressor | polymer | 142 | 16447.0 | 2 | UniProt (P52003) Pfam (PF01047) | Pseudomonas aeruginosa | MexR |
| 2 | C (C) | 25-mer fragment of protein ArmR | polymer | 25 | 3250.6 | 1 | UniProt (Q9HXS2) | Pseudomonas aeruginosa | |
| 3 | D, E, F (A, B, C) | water | water | 18.0 | 212 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 142 (UniProt: P52003)
| PDB | External Database | Details |
|---|---|---|
| Leu 106 | Gln 106 | engineered mutation |
| Leu 110 | Ala 110 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 36144.6 | |
| All* | Total formula weight | 36144.6 |






