Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | R, N | Trp operon repressor | polymer | 107 | 12238.9 | 2 | UniProt (P0A881) Pfam (PF01371) In PDB | Escherichia coli | |
| 2 | water | water | 18.0 | 201 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24477.9 | |
| All* | Total formula weight | 24477.9 |
