1XHF
Crystal structure of the bef3-activated receiver domain of redox response regulator arca
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) | Aerobic respiration control protein arcA | polymer | 123 | 14237.5 | 2 | UniProt (P0A9Q1) Pfam (PF00072) | Escherichia coli | Redox Response Regulator ArcA; Dye resistance protein |
| 2 | C, E (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | D, F, G (A, B) | BERYLLIUM TRIFLUORIDE ION | non-polymer | 66.0 | 3 | Chemie (BEF) | |||
| 4 | H (B) | BERYLLIUM TETRAFLUORIDE ION | non-polymer | 85.0 | 1 | Chemie (BF4) | |||
| 5 | I (B) | BERYLLIUM DIFLUORIDE | non-polymer | 47.0 | 1 | Chemie (BF2) | |||
| 6 | J, K (A, B) | water | water | 18.0 | 117 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 123 (UniProt: P0A9Q1)
| PDB | External Database | Details |
|---|---|---|
| Mse 1 | Met 1 | modified residue |
| Mse 39 | Met 39 | modified residue |
| Mse 53 | Met 53 | modified residue |
| Mse 78 | Met 78 | modified residue |
| Mse 122 | Met 122 | modified residue |
| Gln 123 | Asn 123 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28474.9 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 378.6 | |
| All* | Total formula weight | 28853.5 |
