1SOM Serine Hydrolase date Mar 17, 1999
title Torpedo Californica Acetylcholinesterase Inhibited By Nerve (Soman).
authors H.M.Greenblatt, C.B.Millard, J.L.Sussman, I.Silman
compound source
Molecule: Protein (Acetylcholinesterase)
Chain: A
Ec: 3.1.1.7
Other_details: Nerve Agent Gd (Soman) Covalently Bound To C Serine (Ser200)
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 0.210 R_Free 0.251
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.560 111.560 137.002 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.20 Å
ligand NAG, UNX, VXA enzyme Hydrolase E.C.3.1.1.7 BRENDA
related structures by homologous chain: 1GQR, 1JJB
Gene
Ontology
ChainFunctionProcessComponent
A
  • acetylcholine catabolic proc...

  • Primary referenceCrystal structures of aged phosphonylated acetylcholinesterase: nerve agent reaction products at the atomic level., Millard CB, Kryger G, Ordentlich A, Greenblatt HM, Harel M, Raves ML, Segall Y, Barak D, Shafferman A, Silman I, Sussman JL, Biochemistry 1999 Jun 1;38(22):7032-9. PMID:10353814
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (94 Kb) [Save to disk]
  • Biological Unit Coordinates (1som.pdb1.gz) 175 Kb
  • LPC: Ligand-Protein Contacts for 1SOM
  • CSU: Contacts of Structural Units for 1SOM
  • Likely Quarternary Molecular Structure file(s) for 1SOM
  • Structure Factors (366 Kb)
  • Retrieve 1SOM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SOM from S2C, [Save to disk]
  • Re-refined 1som structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SOM 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 1SOM
  • 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 1SOM, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1soma_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1som 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: [1som] [1som_A]
  • SWISS-PROT database: [P04058]
  • Domain organization of [ACES_TORCA] by SWISSPFAM
  • Other resources with information on 1SOM
  • Community annotation for 1SOM at PDBWiki (http://pdbwiki.org)
  • LED, table of lipase structures from Lipase Engineering Database.
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1SOM from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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