1XX5 Toxin date Nov 04, 2004
title Crystal Structure Of Natrin From Naja Atra Snake Venom
authors J.Wang, B.Shen, X.H.Lou, M.Guo, M.K.Teng, L.W.Niu
compound source
Molecule: Natrin 1
Chain: A, B, C
Synonym: Cysteine-Rich Venom Protein 1, Na-Crvp1
Organism_scientific: Naja Atra
Organism_common: Chinese Cobra
Organism_taxid: 8656
symmetry Space Group: P 21 21 21
R_factor 0.206 R_Free 0.235
crystal
cell
length a length b length c angle alpha angle beta angle gamma
101.676 90.753 91.554 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand EOH enzyme
related structures by homologous chain: 1RC9
Gene
Ontology
ChainFunctionProcessComponent
A, C, B
  • toxin activity


  • Primary referenceBlocking effect and crystal structure of natrin toxin, a cysteine-rich secretory protein from Naja atra venom that targets the BKCa channel., Wang J, Shen B, Guo M, Lou X, Duan Y, Cheng XP, Teng M, Niu L, Liu Q, Huang Q, Hao Q, Biochemistry. 2005 Aug 2;44(30):10145-52. PMID:16042391
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (115 Kb) [Save to disk]
  • Biological Unit Coordinates (1xx5.pdb1.gz) 39 Kb
  • Biological Unit Coordinates (1xx5.pdb2.gz) 39 Kb
  • Biological Unit Coordinates (1xx5.pdb3.gz) 37 Kb
  • LPC: Ligand-Protein Contacts for 1XX5
  • CSU: Contacts of Structural Units for 1XX5
  • Likely Quarternary Molecular Structure file(s) for 1XX5
  • Structure Factors (381 Kb)
  • Retrieve 1XX5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XX5 from S2C, [Save to disk]
  • Re-refined 1xx5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XX5 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 1XX5
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1XX5, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xx5_A] [1xx5_C] [1xx5_B] [1xx5]
  • SWISS-PROT database: [Q7T1K6]
  • Belongs to the triflin toxin (triflin or crisp) family according to TCDB.
  • Domain organization of [CRVP1_NAJAT] by SWISSPFAM
  • Domains found in 1XX5: [SCP] [ShKT ] by SMART
  • Other resources with information on 1XX5
  • Community annotation for 1XX5 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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