1H23 Structure of acetylcholinesterase (E.C. 3.1.1.7) complexed with (S,S)-(-)-bis(12)-hupyridone at 2.15A resolution date
authors Wong, D.M., Greenblatt, H.M., Carlier, P.R., Han, Y.F., Pang, Y.P., Silman, I., Sussman, J.L.
compound source
symmetry
R_factor
R_Free 0.2148
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.15
ligand E12, NAG BindingDB enzyme
related structures by homologous chain: 1H22, 1QIE
Gene
Ontology
ChainFunctionProcessComponent
A
  • acetylcholine catabolic proc...

    • Primary referenceAcetylcholinesterase complexed with bivalent ligands related to huperzine a: experimental evidence for species-dependent protein-ligand complementarity., Wong DM, Greenblatt HM, Dvir H, Carlier PR, Han YF, Pang YP, Silman I, Sussman JL, J Am Chem Soc. 2003 Jan 15;125(2):363-73. PMID:12517147
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (1h23.pdb1.gz) 178 Kb
  • LPC: Ligand-Protein Contacts for 1H23
  • CSU: Contacts of Structural Units for 1H23
  • Likely Quarternary Molecular Structure file(s) for 1H23
  • Structure Factors (401 Kb)
  • Retrieve 1H23 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1H23 from S2C, [Save to disk]
  • Re-refined 1h23 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1H23 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 1H23
  • 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
  • 3D motif for 1H23, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1h23a_, region A [Jmol] [rasmolscript] [script source]
  • 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: [1h23_A] [1h23]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
    • Other resources with information on 1H23
  • Community annotation for 1H23 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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