2XQJ	Hydrolase	date	Sep 02, 2010
title	X-Ray Structure Of Human Butyrylcholinesterase Inhibited By Pure Enantiomer Vx-(R)
authors	M.Wandhammer, E.Carletti, E.Gillon, P.Masson, M.Goeldner, D.Noort F.Nachon
compound		source
Molecule: Cholinesterase Chain: A Fragment: Residues 31-557 Synonym: Acylcholine Acylhydrolase, Choline Esterase II, Butyrylcholine Esterase, Pseudocholinesterase; Ec: 3.1.1.8 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_cell_line: Cho K1 Expression_system_plasmid: Pgs
symmetry	Space Group: I 4 2 2	R_factor 0.16782 R_Free 0.22291
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.820 155.820 128.280 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	CA, CL, FUL, GLY, K, MG, NA, NAG, SO4, VX	enzyme	Hydrolase E.C.3.1.1.8 BRENDA
Gene Ontology	Chain Function Process Component A beta-amyloid binding catalytic activity acetylcholinesterase activit... carboxylesterase activity cholinesterase activity hydrolase activity enzyme binding synaptic transmission, choli... choline metabolic process cellular protein metabolic p... cocaine metabolic process extracellular region extracellular space nuclear envelope lumen endoplasmic reticulum endoplasmic reticulum lumen
Primary reference	Structural Study of the Complex Stereoselectivity of Human Butyrylcholinesterase for the Neurotoxic V-agents., Wandhammer M, Carletti E, Van der Schans M, Gillon E, Nicolet Y, Masson P, Goeldner M, Noort D, Nachon F, J Biol Chem. 2011 May 13;286(19):16783-9. Epub 2011 Mar 23. PMID:21454498

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (197 Kb) [Save to disk] Biological Unit Coordinates (2xqj.pdb1.gz) 1485 Kb LPC: Ligand-Protein Contacts for 2XQJ CSU: Contacts of Structural Units for 2XQJ Structure Factors (494 Kb) Retrieve 2XQJ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XQJ from S2C, [Save to disk] Re-refined 2xqj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XQJ 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2XQJ

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 2XQJ, from MSDmotif at EBI Fold representative 2xqj from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xqj_A] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 2XQJ with the sequences similar proteins can be viewed for 2XQJ's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 2XQJ

Community annotation for 2XQJ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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