2ABX Postsynaptic Neurotoxin date Feb 19, 1986
title The Crystal Structure Of Alpha-Bungarotoxin At 2.5 Angstroms Resolution. Relation To Solution Structure And Binding To Acetylcholine Receptor
authors R.Love, R.Stroud
compound source
Molecule: Alpha-Bungarotoxin
Chain: A, B
Engineered: Yes
 Organism_scientific: Bungarus Multicinctus
Organism_common: Many-Banded Krait
Organism_taxid: 8616
Tissue: Venom
symmetry Space Group: P 21 21 21
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
67.800 78.400 22.400 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
note 2ABX supersedes 1ABX
related structures by homologous chain: 1NTN
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • toxin activity


    • Primary referenceThe crystal structure of alpha-bungarotoxin at 2.5 A resolution: relation to solution structure and binding to acetylcholine receptor., Love RA, Stroud RM, Protein Eng 1986 Oct-Nov;1(1):37-46. PMID:3507686
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk]
  • Biological Unit Coordinates (2abx.pdb1.gz) 22 Kb
  • CSU: Contacts of Structural Units for 2ABX
  • Likely Quarternary Molecular Structure file(s) for 2ABX
  • Retrieve 2ABX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ABX from S2C, [Save to disk]
    • View 2ABX 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 2ABX
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2ABX, from MSDmotif at EBI
  • Genome occurence of 2ABX's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2abxa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d2abxb_, region B [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: [2abx_B] [2abx] [2abx_A]
  • SWISS-PROT database: [P60615]
  • Belongs to the snake cytotoxin (sct) family according to TCDB.
  • Domain organization of [NXL1A_BUNMU] by SWISSPFAM
    • Other resources with information on 2ABX
  • Community annotation for 2ABX 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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