4I1N
R104A-ca1697 nanobody binding to the binary DHFR.folate complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Dihydrofolate reductase | polymer | 159 | 18019.3 | 1 | UniProt (P0ABQ4) Pfam (PF00186) | Escherichia coli | |
| 2 | B (B) | Protein ca1697 (nanobody) | polymer | 133 | 14740.5 | 1 | lama glama | ||
| 3 | C (A) | FOLIC ACID | non-polymer | 441.4 | 1 | Chemie (FOL) | |||
| 4 | D, E (A, B) | water | water | 18.0 | 302 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 32759.8 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 441.4 | |
| All* | Total formula weight | 33201.2 |
