2O3B Crystal structure complex of Nuclease A (NucA) with intra-cellular inhibitor NuiA date
authors Ghosh, M., Meiss, G., Pingoud, A.M., London, R.E., Pedersen, L.C.
compound source
R_Free 0.241
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.30
ligand MES, MG, NI enzyme
  • nuclease activity
  • endonuclease activity

  • Primary referenceThe nuclease a-inhibitor complex is characterized by a novel metal ion bridge., Ghosh M, Meiss G, Pingoud AM, London RE, Pedersen LC, J Biol Chem. 2007 Feb 23;282(8):5682-90. Epub 2006 Nov 30. PMID:17138564
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk]
  • Biological Unit Coordinates (2o3b.pdb1.gz) 64 Kb
  • LPC: Ligand-Protein Contacts for 2O3B
  • CSU: Contacts of Structural Units for 2O3B
  • Likely Quarternary Molecular Structure file(s) for 2O3B
  • Structure Factors (326 Kb)
  • Retrieve 2O3B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2O3B from S2C, [Save to disk]
  • Re-refined 2o3b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2O3B 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 2O3B
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2O3B, from MSDmotif at EBI
  • Fold representative 2o3b from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2o3b_B] [2o3b_A] [2o3b]
  • SWISS-PROT database: [P38446] [Q7A260]
  • Domain organization of [NUCA_ANASP] [Q7A260_ANASP] by SWISSPFAM
  • Domains found in 2O3B: [Endonuclease_NS] [NUC ] by SMART
  • Other resources with information on 2O3B
  • Community annotation for 2O3B 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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