4NTX Structure of acid-sensing ion channel in complex with snake toxin and amiloride date
authors Baconguis, I., Bohlen, C.J., Goehring, A., Julius, D., Gouaux, E.
compound source
R_Free 0.2331
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.27
ligand AMR, CL, NA, NAG, P6G, PCA enzyme

  • serine-type endopeptidase in...
  • toxin activity

  • C
  • toxin activity

  • Primary referenceX-ray structure of Acid-sensing ion channel 1-snake toxin complex reveals open state of a na(+)-selective channel., Baconguis I, Bohlen CJ, Goehring A, Julius D, Gouaux E, Cell. 2014 Feb 13;156(4):717-29. doi: 10.1016/j.cell.2014.01.011. Epub 2014 Feb, 6. PMID:24507937
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk]
  • Biological Unit Coordinates (4ntx.pdb1.gz) 100 Kb
  • Biological Unit Coordinates (4ntx.pdb2.gz) 293 Kb
  • LPC: Ligand-Protein Contacts for 4NTX
  • CSU: Contacts of Structural Units for 4NTX
  • Structure Factors (1069 Kb)
  • Retrieve 4NTX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4NTX from S2C, [Save to disk]
  • Re-refined 4ntx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4NTX 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 4NTX
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4NTX, from MSDmotif at EBI
  • Fold representative 4ntx from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4ntx_C] [4ntx_A] [4ntx_B] [4ntx]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4NTX: [KU] [PA2c ] by SMART
  • Other resources with information on 4NTX
  • Community annotation for 4NTX at PDBWiki (http://pdbwiki.org)

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