4DUQ The Structure of Ca2+-loaded S100A2 at 1.3A resolution date
authors Koch, M., Fritz, G.
compound source
R_Free 0.1680
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 1.30
ligand 15P, CA enzyme
note 4DUQ supersedes 3N22
A, B

Primary referenceThe Structure of Ca(2+) -loaded S100A2 at 1.3 A resolution., Koch M, Fritz G, FEBS J. 2012 Mar 6. doi: 10.1111/j.1742-4658.2012.08556.x. PMID:22394450
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk]
  • Biological Unit Coordinates (4duq.pdb1.gz) 73 Kb
  • LPC: Ligand-Protein Contacts for 4DUQ
  • CSU: Contacts of Structural Units for 4DUQ
  • Structure Factors (930 Kb)
  • Retrieve 4DUQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4DUQ from S2C, [Save to disk]
  • Re-refined 4duq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4DUQ 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 4DUQ
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4DUQ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4duq_A] [4duq_B] [4duq]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4DUQ: [S_100 ] by SMART
  • Other resources with information on 4DUQ
  • Community annotation for 4DUQ at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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