3ULK

E. coli Ketol-acid reductoisomerase in complex with NADPH and Mg2+


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.174

Literature

Macromolecules
Sequence Display for 3ULK

Classification: OXIDOREDUCTASE

Total Structure Weight: 110744.34

Macromolecule Entities
Molecule Chains Length Organism Details
Ketol-acid reductoisomerase A, B 491 Escherichia coli EC#: 1.1.1.86 IUBMB
Gene Name(s): ilvC b3774 JW3747
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
C21 H30 N7 O17 P3
ACFIXJIJDZMPPO-NNYOXOHSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
NDP N/A in BindingDB
Kd: 19300 nM  BindingMOAD
N/A in PDBbind
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CSX
Query on CSX
A, B L-PEPTIDE LINKING C3 H7 N O3 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.174
  • Space Group: P 64 2 2

Unit Cell:

Length (Å) Angle (°)
a = 144.46 α = 90.00
b = 144.46 β = 90.00
c = 217.54 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-11-11
  • Released Date: 2012-10-17
  • Deposition author(s): Wong, S.H., Lonhienne, T.G.A., Winzor, D.J., Schenk, G., Guddat, L.W.

Revision History

  • 2013-06-26
    Type: Database references