2ERA Neurotoxin date Jun 25, 1997
title Recombinant Erabutoxin A, S8g Mutant
authors J.F.Gaucher, R.Menez, B.Arnoux, A.Menez, A.Ducruix
compound source
Molecule: Erabutoxin A
Chain: A
Engineered: Yes
Mutation: Yes
 Organism_scientific: Laticauda Semifasciata
Organism_common: Broad-Banded Blue Sea Krait
Organism_taxid: 8631
Variant: Type A (N26 And K51)
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Mc1061
Expression_system_plasmid: Prit5
symmetry Space Group: P 21 21 21
R_factor 0.180 R_Free 0.236
crystal
cell
length a length b length c angle alpha angle beta angle gamma
49.650 46.590 21.740 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.81 Å
related structures by homologous chain: 1IQ9, 6EBX
Gene
Ontology
ChainFunctionProcessComponent
A
  • toxin activity


    • Primary referenceHigh resolution x-ray analysis of two mutants of a curaremimetic snake toxin., Gaucher JF, Menez R, Arnoux B, Pusset J, Ducruix A, Eur J Biochem 2000 Mar;267(5):1323-9. PMID:10691969
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (15 Kb) [Save to disk]
  • Biological Unit Coordinates (2era.pdb1.gz) 12 Kb
  • CSU: Contacts of Structural Units for 2ERA
  • Likely Quarternary Molecular Structure file(s) for 2ERA
  • Retrieve 2ERA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ERA from S2C, [Save to disk]
    • View 2ERA 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 2ERA
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2ERA, from MSDmotif at EBI
  • Genome occurence of 2ERA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2era__, region [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: [2era] [2era_A]
  • SWISS-PROT database: [P60775]
  • Domain organization of [NXSA_LATSE] by SWISSPFAM
    • Other resources with information on 2ERA
  • Community annotation for 2ERA 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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