4EJ1
Binding of Nb113 camelid antibody fragment with 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, B (A, B) | Dihydrofolate reductase | polymer | 159 | 18019.3 | 2 | UniProt (P0ABQ4) Pfam (PF00186) | Escherichia coli | |
| 2 | C, D (C, D) | Nb113 camelid antibody fragment | polymer | 134 | 14815.3 | 2 | Lama glama | ||
| 3 | E, I (A, B) | FOLIC ACID | non-polymer | 441.4 | 2 | Chemie (FOL) | |||
| 4 | F, G, H, J, K... (A, B) | PHOSPHATE ION | non-polymer | 95.0 | 6 | Chemie (PO4) | |||
| 5 | M, N, O, P (A, B, C, D) | water | water | 18.0 | 529 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 65669.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1452.6 | |
| All* | Total formula weight | 67121.8 |
