1KV0 Toxin date Jan 23, 2002
title Cistrans Isomerization Of Non-Prolyl Peptide Bond Observed Structure Of An Scorpion Toxin
authors R.J.Guan, X.L.He, M.Wang, Y.Xiang, D.C.Wang
compound source
Molecule: Alpha-Like Toxin Bmk-M7
Chain: A, B
Synonym: Bmk M7, Bmkm7
Organism_scientific: Mesobuthus Martensii
Organism_common: Chinese Scorpion
Organism_taxid: 34649
Tissue: Tail Venom Gland
symmetry Space Group: P 31 2 1
R_factor 0.142 R_Free 0.164
crystal
cell
length a length b length c angle alpha angle beta angle gamma
32.758 32.758 176.822 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.40 Å
related structures by homologous chain: 1SN4, 1T7E
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • toxin activity


  • Primary referenceStructural mechanism governing cis and trans isomeric states and an intramolecular switch for cis/trans isomerization of a non-proline peptide bond observed in crystal structures of scorpion toxins., Guan RJ, Xiang Y, He XL, Wang CG, Wang M, Zhang Y, Sundberg EJ, Wang DC, J Mol Biol. 2004 Aug 27;341(5):1189-204. PMID:15321715
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (1kv0.pdb1.gz) 46 Kb
  • CSU: Contacts of Structural Units for 1KV0
  • Likely Quarternary Molecular Structure file(s) for 1KV0
  • Structure Factors (140 Kb)
  • Retrieve 1KV0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KV0 from S2C, [Save to disk]
  • Re-refined 1kv0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KV0 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 1KV0
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1KV0 1KV0A 1KV0B from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1KV0, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kv0a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kv0b_, 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: [1kv0_A] [1kv0_B] [1kv0]
  • SWISS-PROT database: [P59854]
  • Domain organization of [SCX7_MESMA] by SWISSPFAM
  • Domain found in 1KV0: [Knot1 ] by SMART
  • Other resources with information on 1KV0
  • Community annotation for 1KV0 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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