4KI2

Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA

Structural Biology Knowledgebase: 4KI2 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.262
  • R-Value Work: 0.212

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4KI2

Classification: Transcription / DNA

Total Structure Weight: 69925.77


Macromolecule Entities
Molecule Chains Length Organism Details
RNA polymerase sigma factor A, B 245 Thermus aquaticus Fragment: domains 2-3, (UNP residues 92-332)
Gene Name(s): sigA
Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*TP*GP*TP*AP*CP*AP*AP*TP*GP*GP*G)-3') D, E, F, G 11 synthetic -10 element non-template strand ssDNA

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

D, G POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.262
  • R-Value Work: 0.212
  • Space Group: P 62 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 118.11 α = 90.00
b = 118.11 β = 90.00
c = 200.85 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2013-05-01
  • Released Date: 2013-09-04
  • Deposition author(s): Feklistov, A., Darst S.A.
  • Previous versions: 4GOR

Revision History

  • 2014-09-24
    Type: Citation | Details: Citation update