1SN4 Toxin date Nov 11, 1998
title Structure Of Scorpion Neurotoxin Bmk M4
authors X.L.He, H.M.Li, X.Q.Liu, Z.H.Zeng, D.C.Wang
compound source
Molecule: Protein (Neurotoxin Bmk M4)
Chain: A
Synonym: Bmk-Iv
 Organism_scientific: Mesobuthus Martensii
Organism_common: Chinese Scorpion
Organism_taxid: 34649
Organ: Tail
Secretion: Venom
symmetry Space Group: P 61
R_factor 0.166 R_Free 0.192
crystal
cell
length a length b length c angle alpha angle beta angle gamma
54.880 54.880 33.760 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.30 Å
ligand ACT enzyme
related structures by homologous chain: 1KV0, 1SEG
Gene
Ontology
ChainFunctionProcessComponent
A
  • toxin activity


    • Primary referenceCrystal structures of two alpha-like scorpion toxins: non-proline cis peptide bonds and implications for new binding site selectivity on the sodium channel., He XL, Li HM, Zeng ZH, Liu XQ, Wang M, Wang DC, J Mol Biol 1999 Sep 10;292(1):125-35. PMID:10493862
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (17 Kb) [Save to disk]
  • Biological Unit Coordinates (1sn4.pdb1.gz) 14 Kb
  • LPC: Ligand-Protein Contacts for 1SN4
  • CSU: Contacts of Structural Units for 1SN4
  • Likely Quarternary Molecular Structure file(s) for 1SN4
  • Retrieve 1SN4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SN4 from S2C, [Save to disk]
    • View 1SN4 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 1SN4
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Conformational Epitope Prediction for 1SN4 from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SN4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sn4a_, region A [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: [1sn4_A] [1sn4]
  • SWISS-PROT database: [P58328] [P45698]
  • Domain organization of [SCX4_MESMA] [SCX9_MESMA] by SWISSPFAM
  • Domain found in 1SN4: [Knot1 ] by SMART
    • Other resources with information on 1SN4
  • Community annotation for 1SN4 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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