| PDB | Method | Taxonomy | Organism | Name | Reference_pub | Resolution | Stage | Contents | Ligands |
|---|---|---|---|---|---|---|---|---|---|
| 1TTY | XRD | Prokaryote | Thermotoga maritima | Solution structure of sigma a region 4 from Thermotoga maritima | 15257291 | Subunit | RNA polymerase sigma factor RpoD | ||
| 2K6X | XRD | Prokaryote | Thermotoga maritima | Autoregulation of a group 1 bacterial sigma factor involves the formation of a region 1.1- induced compacted structure | Subunit | RNA polymerase sigma factor RpoD |