1XT3 Toxin date Oct 21, 2004
title Structure Basis Of Venom Citrate-Dependent Heparin Sulfate-M Cell Surface Retention Of Cobra Cardiotoxin A3
authors S.C.Lee, H.H.Guan, C.H.Wang, W.N.Huang, C.J.Chen, W.G.Wu
compound source
Molecule: Cytotoxin 3
Chain: A, B
Synonym: Cardiotoxin 3, Ctx-3, Cardiotoxin Analog III, Ctx
 Organism_scientific: Naja Atra
Organism_common: Chinese Cobra
Organism_taxid: 8656
symmetry Space Group: C 2 2 21
R_factor 0.227 R_Free 0.250
crystal
cell
length a length b length c angle alpha angle beta angle gamma
43.903 59.447 98.620 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand CIT, IDS, SGN enzyme
related structures by homologous chain: 1CDT, 1KXI
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • toxin activity


    • Primary referenceStructural Basis of Citrate-dependent and Heparan Sulfate-mediated Cell Surface Retention of Cobra Cardiotoxin A3., Lee SC, Guan HH, Wang CH, Huang WN, Tjong SC, Chen CJ, Wu WG, J Biol Chem 2005 Mar 11;280(10):9567-77. Epub 2004 Dec 6. PMID:15590643
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk]
  • Biological Unit Coordinates (1xt3.pdb1.gz) 22 Kb
  • LPC: Ligand-Protein Contacts for 1XT3
  • CSU: Contacts of Structural Units for 1XT3
  • Likely Quarternary Molecular Structure file(s) for 1XT3
  • Retrieve 1XT3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XT3 from S2C, [Save to disk]
    • View 1XT3 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 1XT3
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1XT3, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xt3a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1xt3b_, region B [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xt3] [1xt3_B] [1xt3_A]
  • SWISS-PROT database: [P60301]
  • Domain organization of [CTXA3_NAJAT] by SWISSPFAM
    • Other resources with information on 1XT3
  • Community annotation for 1XT3 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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