4CEI Crystal structure of ADPNP-bound AddAB with a forked DNA substrate date
authors Krajewski, W.W., Wilkinson, M., Fu, X., Cronin, N.B., Wigley, D.
compound source
symmetry
R_factor
R_Free 0.2398
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.80
ligand ANP, MG, SF4 enzyme
Gene
Ontology
ChainFunctionProcessComponent
A
  • DNA helicase activity
  • nuclease activity
  • exonuclease activity
  • 3'-5' exonuclease activity
  • 3'-5' DNA helicase activity


    • B
  • DNA helicase activity
  • nuclease activity
  • exonuclease activity
  • 5'-3' exonuclease activity
  • 3'-5' DNA helicase activity


    • Primary referenceStructural basis for translocation by AddAB helicase-nuclease and its arrest at chi sites., Krajewski WW, Fu X, Wilkinson M, Cronin NB, Dillingham MS, Wigley DB, Nature. 2014 Mar 16. doi: 10.1038/nature13037. PMID:24670664
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (399 Kb) [Save to disk]
  • Biological Unit Coordinates (4cei.pdb1.gz) 392 Kb
  • LPC: Ligand-Protein Contacts for 4CEI
  • CSU: Contacts of Structural Units for 4CEI
  • Structure Factors (1227 Kb)
  • Retrieve 4CEI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4CEI from S2C, [Save to disk]
  • Re-refined 4cei structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 4CEI 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 4CEI
  • 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 4CEI, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4cei_A] [4cei_X] [4cei_B] [4cei]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 4CEI
  • Community annotation for 4CEI at PDBWiki (http://pdbwiki.org)

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