2F1F

Crystal structure of the regulatory subunit of acetohydroxyacid synthase isozyme III from E. coli

Structural Biology Knowledgebase: 2F1F SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.171

Literature

Macromolecules
Sequence Display for 2F1F

Classification: TRANSFERASE

Total Structure Weight: 36854.43

Macromolecule Entities
Molecule Chains Length Organism Details
Acetolactate synthase isozyme III small subunit A, B 164 Escherichia coli EC#: 2.2.1.6 IUBMB
Gene Name(s): ilvH brnP b0078 JW0077
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
P33
Query on P33

B 3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL
PEG330, (Synonym)
C14 H30 O8
XPJRQAIZZQMSCM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
1PE
Query on 1PE

A PENTAETHYLENE GLYCOL
PEG400 (Synonym)
C10 H22 O6
JLFNLZLINWHATN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B 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: 1.75 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.171
  • Space Group: I 4
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 98.60 α = 90.00
b = 98.60 β = 90.00
c = 80.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-11-14
  • Released Date: 2006-01-24
  • Deposition author(s): Kaplun, A., Vyazmensky, M., Barak, Z., Chipman, D.M., Shaanan, B.

Revision History

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