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 Ec: 3.1.1.7 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
crystal cell	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 Diffraction	resolution	2.15 Å
ligand	HI6, NAG, P6G, PEG, PGE, SBG	enzyme	Hydrolase E.C.3.1.1.7 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure 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] (373 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

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 3D motif for 2WHQ, from MSDmotif at EBI

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)

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