8R6R: Mycobacterium smegnatis RNA polymerase RP2-like transcription initiation complex with SigmaA, RbpA and open promoter DNA

PDB ID: 8R6RDownload
MMDB ID: 252943
PDB Deposition Date: 2023/11/22
Updated in MMDB: 2024/10
Experimental Method:
electron microscopy
Resolution: 3.89  Å
Source Organism:
Similar Structures:
Biological Unit for 8R6R: nonameric; determined by author and by software
Molecular Components in 8R6R
Label Count Molecule
Proteins (7 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
(Gene symbol: rpoZ)
Molecule annotation
1
RNA Polymerase Sigma Factor Siga
(Gene symbol: MSMEG_2758)
Molecule annotation
1
RNA Polymerase-binding Protein Rbpa
(Gene symbol: MSMEG_3858)
Molecule annotation
Nucleotides(2 molecules)
1
DNA 50-mer
Molecule annotation
1
DNA 50-mer
Molecule annotation
Chemicals and Non-standard biopolymers (3 molecules)
1
2
ZINC IONZINC ION
2
1
MAGNESIUM IONMAGNESIUM ION
* 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