4AEA Toxin date Jan 09, 2012
title Dimeric Alpha-Cobratoxin X-Ray Structure: Localization Of Intermolecular Disulfides And Possible Mode Of Binding To N Acetylcholine Receptors
authors P.Rucktooa, A.V.Osipov, I.E.Kasheverov, S.Y.Filkin, V.G.Starkov, T.V.Andreeva, D.Bertrand, Y.N.Utkin, V.I.Tsetlin, T.K.Sixma
compound source
Molecule: Long Neurotoxin 1
Chain: A, B
Synonym: Alpha-Cobratoxin, Alpha-Cbt, Cbtx, Neurotoxin 3, D Alpha-Cobratoxin
Organism_scientific: Naja Kaouthia
Organism_common: Monocled Cobra
Organism_taxid: 8649
Other_details: Isolated From N. Kaouthia Venom
symmetry Space Group: P 31 2 1
R_factor 0.219 R_Free 0.251
crystal
cell
length a length b length c angle alpha angle beta angle gamma
86.000 86.000 37.120 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.94 Å
ligand GLY, MPD enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • toxin activity


  • Primary referenceDimeric alpha-cobratoxin X-ray structure: localization of intermolecular disulfides and possible mode of binding to nicotinic acetylcholine receptors., Osipov AV, Rucktooa P, Kasheverov IE, Filkin SY, Starkov VG, Andreeva TV, Sixma TK, Bertrand D, Utkin YN, Tsetlin VI, J Biol Chem. 2012 Feb 24;287(9):6725-34. Epub 2012 Jan 5. PMID:22223648
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk]
  • Biological Unit Coordinates (4aea.pdb1.gz) 43 Kb
  • Biological Unit Coordinates (4aea.pdb2.gz) 43 Kb
  • LPC: Ligand-Protein Contacts for 4AEA
  • CSU: Contacts of Structural Units for 4AEA
  • Structure Factors (153 Kb)
  • Retrieve 4AEA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4AEA from S2C, [Save to disk]
  • Re-refined 4aea structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4AEA 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 4AEA
  • 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 4AEA, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4aea] [4aea_B] [4aea_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4AEA
  • Community annotation for 4AEA at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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