6UTW: E. coli sigma-S transcription initiation complex with a 4-nt RNA ("Fresh" crystal)

PDB ID: 6UTWDownload
MMDB ID: 192825
PDB Deposition Date: 2019/10/30
Updated in MMDB: 2023/10
Experimental Method:
x-ray diffraction
Resolution: 3.854  Å
Source Organism:
Escherichia coli K-12▼
Similar Structures:
Biological Unit for 6UTW: nonameric; determined by author
Molecular Components in 6UTW
Label Count Molecule
Proteins (6 molecules)
2
DNA-directed RNA Polymerase Subunit Alpha
Molecule annotation
1
DNA-directed RNA Polymerase Subunit Beta
Molecule annotation
1
DNA-directed RNA Polymerase Subunit Beta'
Molecule annotation
1
DNA-directed RNA Polymerase Subunit Omega
Molecule annotation
1
RNA Polymerase Sigma Factor Rpos
Molecule annotation
Nucleotides(3 molecules)
1
Synthetic DNA 50-mer (Promoter Non-template Strand)
Molecule annotation
1
Synthetic DNA 50-mer (Promoter Template Strand)
Molecule annotation
1
RNA 4-mer (DE Novo Synthesized)
Molecule annotation
Chemicals and Non-standard biopolymers (5 molecules)
1
2
MAGNESIUM IONMAGNESIUM ION
2
2
ZINC IONZINC ION
3
1
DIPHOSPHATEDIPHOSPHATE
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303