5XVN Immune System date Jun 28, 2017
title E. Far Cas1-Cas2prespacer Binary Complex
authors Y.Xiao, S.Ng, K.H.Nam, A.Ke
compound source
Molecule: Crispr-Associated Endonuclease Cas1
Chain: A, B, C, D, I, J, K, L
Ec: 3.1.-.-
Engineered: Yes
Organism_scientific: Enterococcus Faecalis Tx0027
Organism_taxid: 749498
Gene: Cas1, Hmpref9501_02814
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Crispr-Associated Endoribonuclease Cas2
Chain: E, F, M, N
Ec: 3.1.-.-
Engineered: Yes

Organism_scientific: Enterococcus Faecalis Tx0027
Organism_taxid: 749498
Gene: Cas2, Hmpref9501_02813
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna (28-Mer)
Chain: G, H, O, P
Engineered: Yes
Other_details: Dna

Synthetic: Yes
Organism_scientific: Enterococcus Faecalis Tx0027
Organism_taxid: 749498
symmetry Space Group: P 41
R_factor 0.206 R_Free 0.249
crystal
cell
length a length b length c angle alpha angle beta angle gamma
160.711 160.711 187.965 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.25 Å
ligand
enzyme Hydrolase E.C.3.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, J, K, B, C, D, I, L
  • nuclease activity
  • endonuclease activity


  • F, N, E, M
  • nuclease activity
  • endonuclease activity
  • endoribonuclease activity


  • Primary referenceHow type II CRISPR-Cas establish immunity through Cas1-Cas2-mediated spacer integration., Xiao Y, Ng S, Nam KH, Ke A, Nature. 2017 Sep 4. doi: 10.1038/nature24020. PMID:28869593
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (495 Kb) [Save to disk]
  • Biological Unit Coordinates (5xvn.pdb1.gz) 243 Kb
  • Biological Unit Coordinates (5xvn.pdb2.gz) 249 Kb
  • CSU: Contacts of Structural Units for 5XVN
  • Structure Factors (2242 Kb)
  • Retrieve 5XVN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5XVN from S2C, [Save to disk]
  • View 5XVN 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 5XVN
  • 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
  • Fold representative 5xvn from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [5xvn_O] [5xvn_A] [5xvn_D] [5xvn_H] [5xvn_C] [5xvn_G] [5xvn_J] [5xvn_N] [5xvn_E] [5xvn_K] [5xvn_M] [5xvn_B] [5xvn_P] [5xvn_I] [5xvn_F] [5xvn_L]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 5XVN
  • Community annotation for 5XVN at PDBWiki (http://pdbwiki.org)

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