1GPN Hydrolase date Nov 07, 2001
title Structure Of Acetylcholinesterase Complexed With Huperzine B At 2.35a Resolution
authors H.Dvir, M.Harel, H.L.Jiang, I.Silman, J.L.Sussman
compound source
Molecule: Acetylcholinesterase
Chain: A
Fragment: Residues 22-558
Synonym: Ache
Ec: 3.1.1.7
Other_details: Huperzine B Bound At The Bottom Of The Active Site Gorge
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 0.1862 R_Free 0.2161
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.722 111.722 137.124 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.35 Å
ligand HUB, NAG BindingDB enzyme Hydrolase E.C.3.1.1.7 BRENDA
related structures by homologous chain: 1VXO, 1W76
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] (98 Kb) [Save to disk]
  • Biological Unit Coordinates (1gpn.pdb1.gz) 92 Kb
  • LPC: Ligand-Protein Contacts for 1GPN
  • CSU: Contacts of Structural Units for 1GPN
  • Likely Quarternary Molecular Structure file(s) for 1GPN
  • Structure Factors (291 Kb)
  • Retrieve 1GPN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GPN from S2C, [Save to disk]
  • Re-refined 1gpn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1GPN in 3D
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  • 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 1GPN
  • 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 1GPN, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gpna_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1gpn 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: [1gpn] [1gpn_A]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
  • Other resources with information on 1GPN
  • Community annotation for 1GPN at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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