1ET4 CRYSTAL STRUCTURE OF A VITAMIN B12 BINDING RNA APTAMER WITH LIGAND AT 2.3 A date
authors Sussman, D., Wilson, C.
compound source
symmetry
R_factor
R_Free 0.2320000
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.30
ligand CNC enzyme
Primary referenceA water channel in the core of the vitamin B(12) RNA aptamer., Sussman D, Wilson C, Structure Fold Des 2000 Jul 15;8(7):719-27. PMID:10903943
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (104 Kb) [Save to disk]
  • Biological Unit Coordinates (1et4.pdb1.gz) 20 Kb
  • Biological Unit Coordinates (1et4.pdb2.gz) 21 Kb
  • Biological Unit Coordinates (1et4.pdb3.gz) 20 Kb
  • Biological Unit Coordinates (1et4.pdb4.gz) 20 Kb
  • Biological Unit Coordinates (1et4.pdb5.gz) 19 Kb
  • LPC: Ligand-Protein Contacts for 1ET4
  • CSU: Contacts of Structural Units for 1ET4
  • Likely Quarternary Molecular Structure file(s) for 1ET4
  • Structure Factors (360 Kb)
  • Retrieve 1ET4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ET4 from S2C, [Save to disk]
  • Re-refined 1et4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ET4 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 1ET4
  • 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 1ET4, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1et4] [1et4_B] [1et4_E] [1et4_C] [1et4_A] [1et4_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 1ET4
  • Community annotation for 1ET4 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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