1EA5 Hydrolase date Nov 06, 2000
title Native Acetylcholinesterase (E.C. 3.1.1.7) From Torpedo Cali 1.8a Resolution
authors M.Harel, M.Weik, 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 0.185 R_Free 0.205
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.573 111.573 137.587 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.80 Å
ligand NAG enzyme Hydrolase E.C.3.1.1.7 BRENDA
related structures by homologous chain: 1W6R
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] (110 Kb) [Save to disk]
  • Biological Unit Coordinates (1ea5.pdb1.gz) 203 Kb
  • LPC: Ligand-Protein Contacts for 1EA5
  • CSU: Contacts of Structural Units for 1EA5
  • Likely Quarternary Molecular Structure file(s) for 1EA5
  • Structure Factors (620 Kb)
  • Retrieve 1EA5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EA5 from S2C, [Save to disk]
  • Re-refined 1ea5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • Visual 3D analysis of 1EA5
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  • 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 1EA5, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ea5a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1ea5 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: [1ea5_A] [1ea5]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
  • Other resources with information on 1EA5
  • Community annotation for 1EA5 at PDBWiki (http://pdbwiki.org)
  • LED, table of lipase structures from Lipase Engineering Database.
  • MMDB (Entrez's Structure Database)
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  • Domain movements in 1EA5 from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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