2ASC Toxin date Aug 23, 2005
title Scorpion Toxin Lqh-Alpha-It
authors R.Kahn, I.Karbat, M.Gurevitz, F.Frolow
compound source
Molecule: Neurotoxin Alpha-It
Chain: A
Engineered: Yes
 Organism_scientific: Leiurus Quinquestriatus
Organism_common: Egyptian Scorpion
Organism_taxid: 6883
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-11
symmetry Space Group: F 4 3 2
R_factor 0.130 R_Free 0.138
crystal
cell
length a length b length c angle alpha angle beta angle gamma
129.714 129.714 129.714 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.10 Å
ligand CL, DR0, DR8, EDO, EOH, K, MOH, NO3 enzyme
Gene
Ontology
ChainFunctionProcessComponent
A
  • toxin activity


    • Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk]
  • Biological Unit Coordinates (2asc.pdb1.gz) 29 Kb
  • LPC: Ligand-Protein Contacts for 2ASC
  • CSU: Contacts of Structural Units for 2ASC
  • Likely Quarternary Molecular Structure file(s) for 2ASC
  • Structure Factors (287 Kb)
  • Retrieve 2ASC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ASC from S2C, [Save to disk]
  • Re-refined 2asc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2ASC 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 2ASC
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2ASC, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2asc_A] [2asc]
  • SWISS-PROT database: [P17728]
  • Domain organization of [SCXA_LEIQH] by SWISSPFAM
  • Domain found in 2ASC: [Knot1 ] by SMART
    • Other resources with information on 2ASC
  • Community annotation for 2ASC at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

    • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science