1IT8
Crystal structure of archaeosine tRNA-guanine transglycosylase from Pyrococcus horikoshii complexed with archaeosine precursor, preQ0
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) | archaeosine tRNA-guanine transglycosylase | polymer | 582 | 66700.1 | 2 | UniProt (O58843) Pfam (PF01702) Pfam (PF14809) Pfam (PF14810) Pfam (PF01472) | Pyrococcus horikoshii | |
| 2 | C, F (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | D, G (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | E (A) | 2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDINE-5-CARBONITRILE | non-polymer | 175.1 | 1 | Chemie (PQ0) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 142 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 133400.3 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 354.6 | |
| All* | Total formula weight | 133754.9 |
