1KU2

Crystal Structure of Thermus aquaticus RNA Polymerase Sigma Subunit Fragment Containing Regions 1.2 to 3.1

Structural Biology Knowledgebase: 1KU2 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.230

Literature

Macromolecules
Sequence Display for 1KU2

Classification: TRANSCRIPTION

Total Structure Weight: 55422.38

Macromolecule Entities
Molecule Chains Length Organism Details
sigma factor sigA A, B 241 Thermus aquaticus Fragment: residues 92-332
Gene Name(s): sigA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.230
  • Space Group: P 65

Unit Cell:

Length (Å) Angle (°)
a = 104.19 α = 90.00
b = 104.19 β = 90.00
c = 169.18 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-01-21
  • Released Date: 2002-04-03
  • Deposition author(s): Campbell, E.A., Muzzin, O., Chlenov, M., Sun, J.L., Olson, C.A., Weinman, O., Trester-Zedlitz, M.L., Darst, S.A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4