1T9B

Crystal structure of yeast acetohydroxyacid synthase in complex with a sulfonylurea herbicide, chlorsulfuron


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.195
  • R-Value Work: 0.162

Literature

Macromolecules
Sequence Display for 1T9B

Classification: TRANSFERASE

Total Structure Weight: 150413.39

Macromolecule Entities
Molecule Chains Length Organism Details
Acetolactate synthase, mitochondrial A, B 677 Saccharomyces cerevisiae EC#: 2.2.1.6 IUBMB
Fragment: Catalytic Subunit
Gene Name(s): ILV2 SMR1 YMR108W YM9718.07
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 8 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)
1CS
Query on 1CS

A, B 1-(2-CHLOROPHENYLSULFONYL)-3-(4-METHOXY-6- METHYL-L,3,5-TRIAZIN-2-YL)UREA
C12 H12 Cl N5 O4 S
VJYIFXVZLXQVHO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
P25
Query on P25

B PENTYL TRIHYDROGEN DIPHOSPHATE
C5 H14 O7 P2
VFFCVKZHJFIUBM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
YF3
Query on YF3

A 2-{[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]AMINO}PROPANE- 1-THIOL
C9 H16 N4 S
BGGAKPFEDJLRDQ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
P22
Query on P22

A ETHYL DIHYDROGEN DIPHOSPHATE
C2 H8 O7 P2
OJDJHGIXNZPZFD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NSP
Query on NSP

A 5-(AMINOMETHYL)-2-METHYLPYRIMIDIN-4-AMINE
C6 H10 N4
OZOHTVFCSKFMLL-UHFFFAOYSA-N
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)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
1CS Ki: 127 nM (100) BindingDB

Ki: 127 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.195
  • R-Value Work: 0.162
  • Space Group: P 4 2 2

Unit Cell:

Length (Å) Angle (°)
a = 154.58 α = 90.00
b = 154.58 β = 90.00
c = 178.76 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-05-16
  • Released Date: 2004-12-21
  • Deposition author(s): McCourt, J.A., Pang, S.S., Guddat, L.W., Duggleby, R.G.

Revision History

  • Version 1_0: 2004-12-21

    Type: Initial release

  • Version 1_1: 2008-04-30

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2017-10-11

    Type: Refinement description