7UBK
Transcription antitermination factor Qlambda, type-II crystal
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) | Antitermination protein Q | polymer | 147 | 16222.8 | 2 | UniProt (P03047) Pfam (PF03589) | Escherichia phage Lambda | |
| 2 | C, F (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | D (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 4 | E, J, K (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 3 | Chemie (EDO) | |||
| 5 | G, H (B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 6 | I (B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 7 | L, M (A, B) | water | water | 18.0 | 78 | Chemie (HOH) |
Sequence modifications
A, B: 62 - 207 (UniProt: P03047)
| PDB | External Database | Details |
|---|---|---|
| Ser 61 | - | expression tag |
| Lys 134 | Glu 134 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 32445.7 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 586.1 | |
| All* | Total formula weight | 33031.8 |
