4KI2
Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA
Replaces: 4GOREntity
| 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 (D, E, F, G) | DNA (5'-D(*TP*GP*TP*AP*CP*AP*AP*TP*GP*GP*G)-3') | polymer | 11 | 3413.2 | 4 | |||
| 2 | E, F (A, B) | RNA polymerase sigma factor | polymer | 245 | 28038.4 | 2 | UniProt (Q9EZJ8) Pfam (PF00140) Pfam (PF04542) Pfam (PF04539) | Thermus aquaticus | |
| 3 | G, H, I, J, K (D, G) | POTASSIUM ION | non-polymer | 39.1 | 5 | Chemie (K) |
Sequence modifications
A, B: 92 - 332 (UniProt: Q9EZJ8)
| PDB | External Database | Details |
|---|---|---|
| Gly 88 | - | expression tag |
| Pro 89 | - | expression tag |
| His 90 | - | expression tag |
| Met 91 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 69729.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 195.5 | |
| All* | Total formula weight | 69925.3 |
