1C2B Hydrolase date Jul 26, 1999
title Electrophorus Electricus Acetylcholinesterase
authors Y.Bourne, P.Marchot
compound source
Molecule: Acetylcholinesterase
Chain: A
Fragment: A4 Form
Other_details: See Remark 450 For Information Regarding The And Sequence
Organism_scientific: Electrophorus Electricus
Organism_common: Electric Eel
Organism_taxid: 8005
Other_details: A4 Form
symmetry Space Group: F 2 2 2
R_factor 0.369 R_Free 0.351
length a length b length c angle alpha angle beta angle gamma
117.980 215.870 229.410 90.00 90.00 90.00
method X-Ray Diffractionresolution 4.50 Å
enzyme Hydrolase E.C. BRENDA

Primary referenceConformational flexibility of the acetylcholinesterase tetramer suggested by x-ray crystallography., Bourne Y, Grassi J, Bougis PE, Marchot P, J Biol Chem 1999 Oct 22;274(43):30370-6. PMID:10521413
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk]
  • Biological Unit Coordinates (1c2b.pdb1.gz) 139 Kb
  • CSU: Contacts of Structural Units for 1C2B
  • Likely Quarternary Molecular Structure file(s) for 1C2B
  • Retrieve 1C2B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1C2B from S2C, [Save to disk]
  • View 1C2B 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 1C2B
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1C2B, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1c2ba_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1c2b from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1c2b_A] [1c2b]
  • SWISS-PROT database: [P21836]
  • Domain organization of [ACES_MOUSE] by SWISSPFAM
  • Other resources with information on 1C2B
  • Community annotation for 1C2B at PDBWiki (http://pdbwiki.org)
  • LED, table of lipase structures from Lipase Engineering Database.
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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