2CKM Hydrolase date Apr 20, 2006
title Torpedo Californica Acetylcholinesterase Complexed With Alky Linked Bis-Tacrine Dimer (7 Carbon Linker)
authors B.Brumshtein, E.H.Rydberg, H.M.Greenblatt, D.M.Wong, D.Shaya, L.D.Williams, P.R.Carlier, Y.P.Pang, I.Silman, J.L.Sussman
compound source
Molecule: Acetylcholinesterase
Chain: A
Synonym: Ache
Ec: 3.1.1.7
Organism_scientific: Torpedo Californica
Organism_common: Pacific Electric Ray
Organism_taxid: 7787
Variant: G2 Form
Organ: Electric Organ
Tissue: Electroplaque
symmetry Space Group: P 31 2 1
R_factor 0.211 R_Free 0.249
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.884 111.884 137.413 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.15 Å
ligand AA7, NAG enzyme Hydrolase E.C.3.1.1.7 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A
  • acetylcholine catabolic proc...

  • Primary referenceComplexes of alkylene-linked tacrine dimers with Torpedo californica acetylcholinesterase: Binding of Bis5-tacrine produces a dramatic rearrangement in the active-site gorge., Rydberg EH, Brumshtein B, Greenblatt HM, Wong DM, Shaya D, Williams LD, Carlier PR, Pang YP, Silman I, Sussman JL, J Med Chem. 2006 Sep 7;49(18):5491-500. PMID:16942022
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk]
  • Biological Unit Coordinates (2ckm.pdb1.gz) 177 Kb
  • LPC: Ligand-Protein Contacts for 2CKM
  • CSU: Contacts of Structural Units for 2CKM
  • Likely Quarternary Molecular Structure file(s) for 2CKM
  • Structure Factors (421 Kb)
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  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
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  • 3D motif for 2CKM, from MSDmotif at EBI
  • Fold representative 2ckm from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ckm_A] [2ckm]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
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