2QN6
Structure of an archaeal heterotrimeric initiation factor 2 reveals a nucleotide state between the GTP and the GDP states
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Translation initiation factor 2 gamma subunit | polymer | 414 | 45718.0 | 1 | UniProt (Q980A5) Pfam (PF00009) Pfam (PF09173) | Sulfolobus solfataricus | eIF-2-gamma, aIF2- gamma |
| 2 | B (B) | Translation initiation factor 2 alpha subunit | polymer | 93 | 10440.2 | 1 | UniProt (Q97Z79) Pfam (PF07541) | Sulfolobus solfataricus | eIF-2-alpha, aIF2- alpha |
| 3 | C (C) | Translation initiation factor 2 beta subunit | polymer | 18 | 2190.5 | 1 | UniProt (Q97W59) | Sulfolobus solfataricus | eIF-2-beta, aIF2-beta |
| 4 | D (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 5 | E (A) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 1 | Chemie (GDP) | |||
| 6 | F, G, H (A, B, C) | water | water | 18.0 | 253 | Chemie (HOH) |
Sequence modifications
B: 175 - 265 (UniProt: Q97Z79)
| PDB | External Database | Details |
|---|---|---|
| Met 174 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 58348.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 467.5 | |
| All* | Total formula weight | 58816.2 |
