1N3R
Biosynthesis of pteridins. Reaction mechanism of GTP cyclohydrolase I
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D, E... (A, B, C, D, E...) | GTP cyclohydrolase I | polymer | 221 | 24682.4 | 15 | UniProt (P0A6T5) Pfam (PF01227) | Escherichia coli | |
| 2 | AA, BA, CA, DA, P... (L, M, N, O, A...) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 15 | Chemie (GTP) PubChem (177679032) | |||
| 3 | EA, FA, GA, HA, IA... (A, B, C, D, E...) | water | water | 18.0 | 79 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O: 1 - 221 (UniProt: P0A6T5)
| PDB | External Database | Details |
|---|---|---|
| Ser 112 | His 112 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 15 |
| Total formula weight | 370235.7 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 7847.7 | |
| All* | Total formula weight | 378083.4 |
