3K4G
Crystal structure of E. coli RNA polymerase alpha subunit C-terminal domain
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...) | DNA-directed RNA polymerase subunit alpha | polymer | 86 | 9787.4 | 8 | UniProt (P0A7Z4) Pfam (PF03118) | Escherichia coli K-12 | RNAP subunit alpha, Transcriptase subunit alpha, RNA polymerase subunit alpha |
| 2 | I, J, K, L (A, C, E, G) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 3 | M, N, O, P, Q... (A, B, C, D, E...) | water | water | 18.0 | 317 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E, F, G, H: 245 - 329 (UniProt: P0A7Z4)
| PDB | External Database | Details |
|---|---|---|
| Met 244 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 78299.1 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 92.0 | |
| All* | Total formula weight | 78391.0 |
