2O7M Hydrolase date Dec 11, 2006
title The C-Terminal Loop Of The Homing Endonuclease I-Crei Is Ess Dna Binding And Cleavage. Identification Of A Novel Site Fo Specificity Engineering In The I-Crei Scaffold
authors J.Prieto, P.Redondo, D.Padro, F.J.Blanco, F.Paques, G.Montoya
compound source
Molecule: Dna Endonuclease I-Crei
Chain: A, B
Fragment: Residues 1-156
Synonym: Laglidag Homing Endonuclease, 23s Rrna Intron Prot
Ec: 3.1.-.-
Engineered: Yes
Organism_scientific: Chlamydomonas Reinhardtii
Organism_taxid: 3055
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24d
symmetry Space Group: P 43
R_factor 0.184 R_Free 0.235
crystal
cell
length a length b length c angle alpha angle beta angle gamma
69.088 69.088 93.040 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand
enzyme Hydrolase E.C.3.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • nuclease activity
  • endonuclease activity


  • Primary referenceThe C-terminal loop of the homing endonuclease I-CreI is essential for site recognition, DNA binding and cleavage., Prieto J, Redondo P, Padro D, Arnould S, Epinat JC, Paques F, Blanco FJ, Montoya G, Nucleic Acids Res. 2007;35(10):3262-71. Epub 2007 Apr 22. PMID:17452357
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk]
  • Biological Unit Coordinates (2o7m.pdb1.gz) 55 Kb
  • CSU: Contacts of Structural Units for 2O7M
  • Likely Quarternary Molecular Structure file(s) for 2O7M
  • Retrieve 2O7M in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2O7M from S2C, [Save to disk]
  • View 2O7M 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 2O7M
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2O7M, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2o7m_B] [2o7m_A] [2o7m]
  • SWISS-PROT database: [P05725]
  • Domain organization of [DNE1_CHLRE] by SWISSPFAM
  • Other resources with information on 2O7M
  • Community annotation for 2O7M 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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