2Y1K Hydrolase date Dec 08, 2010
title Structure Of Human Butyrylcholinesterase Inhibited By Cbdp ( Phosphoserine Adduct
authors E.Carletti, J.P.Colletier, F.Nachon, M.Weik
compound source
Molecule: Cholinesterase
Chain: A
Fragment: Residues 29-557
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_vector_type: Plasmid
Expression_system_plasmid: Pgs
symmetry Space Group: I 4 2 2
R_factor 0.183 R_Free 0.247
length a length b length c angle alpha angle beta angle gamma
153.770 153.770 127.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand CL, FU4, FUC, GOL, NA, NAG, SEP, SO4 enzyme Hydrolase E.C. BRENDA
note 2Y1K is a representative structure

Primary referenceReaction of Cresyl Saligenin Phosphate, the Organophosphorus Agent Implicated in Aerotoxic Syndrome, with Human Cholinesterases: Mechanistic Studies Employing Kinetics, Mass Spectrometry, and X-ray Structure Analysis., Carletti E, Schopfer LM, Colletier JP, Froment MT, Nachon F, Weik M, Lockridge O, Masson P, Chem Res Toxicol. 2011 Jun 20;24(6):797-808. Epub 2011 Apr 18. PMID:21438623
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (197 Kb) [Save to disk]
  • Biological Unit Coordinates (2y1k.pdb1.gz) 1481 Kb
  • LPC: Ligand-Protein Contacts for 2Y1K
  • CSU: Contacts of Structural Units for 2Y1K
  • Structure Factors (359 Kb)
  • Retrieve 2Y1K in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2Y1K from S2C, [Save to disk]
  • Re-refined 2y1k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2Y1K 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 2Y1K
  • 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 2Y1K, from MSDmotif at EBI
  • Fold representative 2y1k from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2y1k] [2y1k_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 2Y1K
  • Community annotation for 2Y1K at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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