4UN3 Hydrolase Dna Rna date May 25, 2014
title Crystal Structure Of Cas9 Bound To Pam-Containing Dna Target
authors C.Anders, O.Niewoehner, A.Duerst, M.Jinek
compound source
Molecule: Crispr-Associated Endonuclease Cas9csn1
Chain: B
Synonym: Cas9
Ec: 3.1.-.-
Engineered: Yes
Mutation: Yes
Organism_scientific: Streptococcus Pyogenes
Organism_taxid: 1314
Strain: M1
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Rosetta 2
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pec-K-Mbp

Molecule: Sgrna
Chain: A

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630

Molecule: Target Dna Strand
Chain: C

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630

Molecule: Non-Target Dna Strand
Chain: D

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630
symmetry Space Group: C 1 2 1
R_factor 0.2171 R_Free 0.2520
length a length b length c angle alpha angle beta angle gamma
177.723 68.142 188.230 90.00 111.17 90.00
method X-Ray Diffractionresolution 2.59 Å
ligand MG enzyme Hydrolase E.C.3.1 BRENDA
note 4UN3 (Molecule of the Month:pdb181)
  • nuclease activity
  • endonuclease activity
  • exonuclease activity
  • 3'-5' exonuclease activity

  • Primary referenceStructural basis of PAM-dependent target DNA recognition by the Cas9 endonuclease., Anders C, Niewoehner O, Duerst A, Jinek M, Nature. 2014 Jul 27. doi: 10.1038/nature13579. PMID:25079318
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (559 Kb) [Save to disk]
  • Biological Unit Coordinates (4un3.pdb1.gz) 549 Kb
  • LPC: Ligand-Protein Contacts for 4UN3
  • CSU: Contacts of Structural Units for 4UN3
  • Structure Factors (1733 Kb)
  • Retrieve 4UN3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4UN3 from S2C, [Save to disk]
  • Re-refined 4un3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4UN3 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 4UN3
  • 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 4UN3, from MSDmotif at EBI
  • Fold representative 4un3 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4un3_A] [4un3_B] [4un3] [4un3_C] [4un3_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4UN3
  • Community annotation for 4UN3 at PDBWiki (http://pdbwiki.org)

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