1YBH

Crystal structure of Arabidopsis thaliana Acetohydroxyacid synthase In Complex With A Sulfonylurea Herbicide Chlorimuron Ethyl

Structural Biology Knowledgebase: 1YBH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.192

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1YBH

Classification: transferase

Total Structure Weight: 66230.29

Macromolecule Entities
Molecule Chains Length Organism Details
Acetolactate synthase, chloroplast A 590 Arabidopsis thaliana EC#: 2.2.1.6 IUBMB
Fragment: Residues 86-670
Mutation: C340X
Gene Name(s): ALS AHAS CSR1 TZP5 At3g48560 T8P19.70

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

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

A 2-[[[[(4-CHLORO-6-METHOXY-2-PYRIMIDINYL)AMINO]CARBONYL]AMINO]SULFONYL]BENZOIC ACID ETHYL ESTER
CHLORIMURON ETHYL (Synonym)
C15 H15 Cl N4 O6 S
NSWAMPCUPHPTTC-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NHE
Query on NHE

A 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID
N-CYCLOHEXYLTAURINE; CHES (Synonym)
C8 H17 N O3 S
MKWKNSIESPFAQN-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
P22
Query on P22

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

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CIE Ki: 8 nM (99) BindingDB

Ki: 10.8 nM  BindingMOAD
N/A in PDBbind
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CSD
Query on CSD
A L-PEPTIDE LINKING C3 H7 N O4 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.192
  • Space Group: P 64 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 178.52 α = 90.00
b = 178.52 β = 90.00
c = 184.78 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-12-20
  • Released Date: 2006-01-10
  • Deposition author(s): McCourt, J.A., Pang, S.S., King-Scott, J., Guddat, L.W., Duggleby, R.G.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4