1XLU Hydrolase date Sep 30, 2004
title X-Ray Structure Of Di-Isopropyl-Phosphoro-Fluoridate (Dfp) I Butyrylcholinesterase After Aging
authors F.Nachon, O.A.Asojo, G.E.O.Borgstahl, P.Masson, O.Lockridge
compound source
Molecule: Butyrylcholinesterase
Chain: A
Synonym: Acylcholine Acylhydrolase; Choline Esterase II Butyrylcholine Esterase; Pseudocholinesterase;
Engineered: Yes
Mutation: Yes
Other_details: Aged, Ser 198 Covalently Bound To Isp
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: Baby Hampster Kidney Cells
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgs
symmetry Space Group: I 4 2 2
R_factor 0.193 R_Free 0.242
length a length b length c angle alpha angle beta angle gamma
154.495 154.495 127.290 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand CL, CSS, FUL, GOL, ISP, NAG, SO4 enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1XLV, 1XLW

Primary referenceRole of Water in Aging of Human Butyrylcholinesterase Inhibited by Echothiophate: The Crystal Structure Suggests Two Alternative Mechanisms of Aging(,)., Nachon F, Asojo OA, Borgstahl GE, Masson P, Lockridge O, Biochemistry 2005 Feb 1;44(4):1154-1162. PMID:15667209
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (103 Kb) [Save to disk]
  • Biological Unit Coordinates (1xlu.pdb1.gz) 190 Kb
  • Biological Unit Coordinates (1xlu.pdb2.gz) 96 Kb
  • LPC: Ligand-Protein Contacts for 1XLU
  • CSU: Contacts of Structural Units for 1XLU
  • Likely Quarternary Molecular Structure file(s) for 1XLU
  • Structure Factors (303 Kb)
  • Retrieve 1XLU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XLU from S2C, [Save to disk]
  • Re-refined 1xlu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XLU 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 1XLU
  • 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 1XLU, from MSDmotif at EBI
  • Fold representative 1xlu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xlu_A] [1xlu]
  • SWISS-PROT database: [P06276]
  • Domain organization of [CHLE_HUMAN] by SWISSPFAM
  • Other resources with information on 1XLU
  • Community annotation for 1XLU 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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