1EMX Toxin date Mar 20, 2000
title Solution Structure Of Hptx2, A Toxin From Heteropoda Venator Venom That Blocks Kv4.2 Potassium Channel
authors C.Bernard, C.Legros, G.Ferrat, U.Bishoff, A.Marquardt, O.Pongs, H.
compound source
Molecule: Heteropodatoxin 2
Chain: A
Synonym: Hptx2
Engineered: Yes
 Organism_scientific: Heteropoda Venatoria
Organism_common: Giant Crab Spider
Organism_taxid: 152925
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Other_details: Venom Of Spider
methodSolution NMR
Gene
Ontology
ChainFunctionProcessComponent
A
  • toxin activity


    • Primary referenceSolution structure of hpTX2, a toxin from Heteropoda venatoria spider that blocks Kv4.2 potassium channel., Bernard C, Legros C, Ferrat G, Bischoff U, Marquardt A, Pongs O, Darbon H, Protein Sci 2000 Nov;9(11):2059-67. PMID:11152117
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (193 Kb) [Save to disk]
  • Biological Unit Coordinates (1emx.pdb1.gz) 7 Kb
  • CSU: Contacts of Structural Units for 1EMX
  • Experimental data, such as chemical shifts, at BioMagResBank (BMRB)
  • NMR Restraints Grid from BioMagResBank (BMRB)
  • Retrieve 1EMX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EMX from S2C, [Save to disk]
    • View 1EMX 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 1EMX
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1EMX, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1emxa_, region A [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1emx_A] [1emx]
  • SWISS-PROT database: [P58426]
  • Belongs to the na(+)/k(+)/ca(2+) channel targeting tarantula huwentoxin (tht) family according to TCDB.
  • Domain organization of [TXHP2_HETVE] by SWISSPFAM
    • Other resources with information on 1EMX
  • Community annotation for 1EMX at PDBWiki (http://pdbwiki.org)
  • NMR Ensemble (OLDERADO: core, domain and representative structure database)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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