1Z3E
Crystal Structure of Spx in Complex with the C-terminal Domain of the RNA Polymerase Alpha Subunit
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Regulatory protein spx | polymer | 132 | 15690.0 | 1 | UniProt (O31602) Pfam (PF03960) | Bacillus subtilis | |
| 2 | B (B) | DNA-directed RNA polymerase alpha chain | polymer | 73 | 8381.7 | 1 | UniProt (P20429) Pfam (PF03118) | Bacillus subtilis | RNAP alpha subunit, Transcriptase alpha chain, RNA polymerase alpha subunit |
| 3 | C, D, E, F (A, B) | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 143 | Chemie (HOH) |
Sequence modifications
A: 1 - 131 (UniProt: O31602)
B: 245 - 314 (UniProt: P20429)
| PDB | External Database | Details |
|---|---|---|
| His 0 | - | cloning artifact |
| PDB | External Database | Details |
|---|---|---|
| Met 243 | - | cloning artifact |
| Glu 244 | - | cloning artifact |
| Gly 315 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24071.7 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 384.3 | |
| All* | Total formula weight | 24456.0 |
