5IPN: SigmaS-transcription initiation complex with 4-nt nascent RNA

PDB ID: 5IPNDownload
MMDB ID: 138002
PDB Deposition Date: 2016/3/9
Updated in MMDB: 2024/10
Experimental Method:
x-ray diffraction
Resolution: 4.61  Å
Source Organism:
synthetic construct▼
Similar Structures:
Biological Unit for 5IPN: nonameric; determined by author and by software (PISA)
Molecular Components in 5IPN
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 Non-template Strand DNA (50-mer)
Molecule annotation
1
Synthetic Template Strand DNA (50-mer)
Molecule annotation
1
Nascent RNA 4-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