3UGO

Crystal structure of RNA-polymerase sigma subunit domain 2 complexed with -10 promoter element ssDNA oligo (TACAAT)

Structural Biology Knowledgebase: 3UGO SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.196

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3UGO

Classification: TRANSCRIPTION / DNA

Total Structure Weight: 35060.68


Macromolecule Entities
Molecule Chains Length Organism Details
RNA polymerase sigma factor A 245 Thermus aquaticus Fragment: domain 2 (UNP residues 92-332)
Gene Name(s): sigA
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*TP*GP*TP*AP*CP*AP*AP*TP*GP*GP*G)-3' B, C 11 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
K
Query on K

B, C POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.196
  • Space Group: P 4 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 86.13 α = 90.00
b = 86.13 β = 90.00
c = 111.73 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-11-02
  • Released Date: 2011-12-07
  • Deposition author(s): Feklistov, A., Darst, S.A.

Revision History

  • 2012-03-07
    Type: Citation | Details: Citation update