1JSC

Crystal Structure of the Catalytic Subunit of Yeast Acetohydroxyacid Synthase: A target for Herbicidal Inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.188

Literature

Macromolecules
Sequence Display for 1JSC

Classification: LYASE

Total Structure Weight: 139745.50

Macromolecule Entities
Molecule Chains Length Organism Details
ACETOHYDROXY-ACID SYNTHASE A, B 630 Saccharomyces cerevisiae EC#: 2.2.1.6 IUBMB
Fragment: MATURE CATALYTIC SUBUNIT
Gene Name(s): ILV2 SMR1 YMR108W YM9718.07
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
FAD
Query on FAD

A, B FLAVIN-ADENINE DINUCLEOTIDE
C27 H33 N9 O15 P2
VWWQXMAJTJZDQX-UYBVJOGSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
TPP
Query on TPP

A, B THIAMINE DIPHOSPHATE
C12 H19 N4 O7 P2 S
AYEKOFBPNLCAJY-UHFFFAOYSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
2HP
Query on 2HP

A, B DIHYDROGENPHOSPHATE ION
H2 O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

A, B POTASSIUM ION
K
NPYPAHLBTDXSSS-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: 2.6 Å
  • R-Value Free: 0.219
  • R-Value Work: 0.188
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 95.55 α = 90.00
b = 109.40 β = 90.00
c = 178.86 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-08-17
  • Released Date: 2002-01-16
  • Deposition author(s): Pang, S.S., Duggleby, R.G., Guddat, L.W.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance