2WHQ Hydrolase date May 06, 2009
title Crystal Structure Of Acetylcholinesterase, Phosphonylated By (Aged) In Complex With Hi-6
authors F.Ekstrom, A.Hornberg, E.Artursson, L.G.Hammarstrom, G.Schneider
compound source
Molecule: Acetylcholinesterase
Chain: A, B
Fragment: Catalytic Domain, Residues 32-574
Synonym: Ache
Engineered: Yes
Other_details: Catalytic Ser203 Phosphonylated By Sarin. Th Was Subsequently Aged
Organism_scientific: Mus Musculus
Organism_common: Mouse
Organism_taxid: 10090
Expression_system: Homo Sapiens
Expression_system_taxid: 9606
Expression_system_cell_line: Human Embryonic Kidney (Hek) 2
Expression_system_plasmid: Pcdna3.1
symmetry Space Group: P 21 21 21
R_factor 0.186 R_Free 0.212
length a length b length c angle alpha angle beta angle gamma
79.550 112.320 227.060 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.15 Å
ligand HI6, NAG, P6G, PEG, PGE, SBG enzyme Hydrolase E.C. BRENDA
A, B

Primary referenceStructure of HI-6*sarin-acetylcholinesterase determined by X-ray crystallography and molecular dynamics simulation: reactivator mechanism and design., Ekstrom F, Hornberg A, Artursson E, Hammarstrom LG, Schneider G, Pang YP, PLoS One. 2009 Jun 18;4(6):e5957. PMID:19536291
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (382 Kb) [Save to disk]
  • Biological Unit Coordinates (2whq.pdb1.gz) 366 Kb
  • LPC: Ligand-Protein Contacts for 2WHQ
  • CSU: Contacts of Structural Units for 2WHQ
  • Likely Quarternary Molecular Structure file(s) for 2WHQ
  • Structure Factors (1664 Kb)
  • Retrieve 2WHQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2WHQ from S2C, [Save to disk]
  • Re-refined 2whq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2WHQ in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2WHQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2WHQ, from MSDmotif at EBI
  • Fold representative 2whq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2whq] [2whq_B] [2whq_A]
  • SWISS-PROT database: [P21836]
  • Domain organization of [ACES_MOUSE] by SWISSPFAM
  • Other resources with information on 2WHQ
  • Community annotation for 2WHQ at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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