2Y1K Hydrolase date Dec 08, 2010
title Structure Of Human Butyrylcholinesterase Inhibited By Cbdp ( 12h Soak): 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 0.18281 R_Free 0.24706
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
  • Alignments of the sequence of 2Y1K with the sequences similar proteins can be viewed for 2Y1K'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 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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