1IW7

Crystal structure of the RNA polymerase holoenzyme from Thermus thermophilus at 2.6A resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.274
  • R-Value Work: 0.228

Literature

Macromolecules
Sequence Display for 1IW7

Classification: TRANSFERASE

Total Structure Weight: 865887.69

Macromolecule Entities
Molecule Chains Length Organism Details
RNA polymerase alpha subunit A, B, K, L 315 Thermus thermophilus EC#: 2.7.7.6 IUBMB
Gene Name(s): rpoA TTHA1664
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
RNA polymerase beta subunit C, M 1119 Thermus thermophilus EC#: 2.7.7.6 IUBMB
Gene Name(s): rpoB TTHA1813
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
RNA polymerase beta subunit D, N 1524 Thermus thermophilus EC#: 2.7.7.6 IUBMB
Gene Name(s): rpoC TTHA1812
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
RNA polymerase omega subunit E, O 99 Thermus thermophilus EC#: 2.7.7.6 IUBMB
Gene Name(s): rpoZ TTHA1561
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
RNA polymerase sigma-70 subunit F, P 423 Thermus thermophilus EC#: 2.7.7.6 IUBMB
Gene Name(s): sigA TTHA0532
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

D, N LEAD (II) ION
Pb
RVPVRDXYQKGNMQ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B, C, D, E, F, K, L, M, N, O, P MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.274
  • R-Value Work: 0.228
  • Space Group: P 32

Unit Cell:

Length (Å) Angle (°)
a = 236.35 α = 90.00
b = 236.35 β = 90.00
c = 249.04 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-04-22
  • Released Date: 2002-06-26
  • Deposition author(s): RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History

  • Version 1_0: 2002-06-26

    Type: Initial release

  • Version 1_1: 2008-04-01

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance