1GPK Hydrolase date Nov 05, 2001
title Structure Of Acetylcholinesterase Complex With (+)-Huperzine Resolution
authors H.Dvir, M.Harel, M.Chetrit, I.Silman, J.L.Sussman
compound source
Molecule: Acetylcholinesterase
Chain: A
Fragment: Residues 22-558
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
Other_details: Purified From The Electric Organ
symmetry Space Group: P 31 2 1
R_factor 0.189 R_Free 0.214
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.421 111.421 137.145 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.10 Å
ligand HUP, NAG BindingDB enzyme Hydrolase E.C.3.1.1.7 BRENDA
related structures by homologous chain: 1E66, 1QIF
Gene
Ontology
ChainFunctionProcessComponent
A
  • acetylcholine catabolic proc...

  • Primary referenceX-ray structures of Torpedo californica acetylcholinesterase complexed with (+)-huperzine A and (-)-huperzine B: structural evidence for an active site rearrangement., Dvir H, Jiang HL, Wong DM, Harel M, Chetrit M, He XC, Jin GY, Yu GL, Tang XC, Silman I, Bai DL, Sussman JL, Biochemistry 2002 Sep 3;41(35):10810-8. PMID:12196020
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (103 Kb) [Save to disk]
  • Biological Unit Coordinates (1gpk.pdb1.gz) 96 Kb
  • LPC: Ligand-Protein Contacts for 1GPK
  • CSU: Contacts of Structural Units for 1GPK
  • Likely Quarternary Molecular Structure file(s) for 1GPK
  • Structure Factors (419 Kb)
  • Retrieve 1GPK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GPK from S2C, [Save to disk]
  • Re-refined 1gpk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1GPK in 3D
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  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1GPK
  • 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 1GPK, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gpka_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1gpk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1gpk_A] [1gpk]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
  • Other resources with information on 1GPK
  • Community annotation for 1GPK at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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