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Yorodumi- PDB-6k4p: Crystal structure of xCas9 in complex with sgRNA and DNA (TGG PAM) -
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Open data
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Basic information
| Entry | Database: PDB / ID: 6k4p | ||||||
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| Title | Crystal structure of xCas9 in complex with sgRNA and DNA (TGG PAM) | ||||||
Components |
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Keywords | HYDROLASE/DNA/RNA / endonuclease / HYDROLASE-DNA-RNA complex | ||||||
| Function / homology | Function and homology informationmaintenance of CRISPR repeat elements / 3'-5' exonuclease activity / DNA endonuclease activity / defense response to virus / Hydrolases; Acting on ester bonds / DNA binding / RNA binding / metal ion binding Similarity search - Function | ||||||
| Biological species | Streptococcus pyogenes serotype M1 (bacteria) Streptococcus pyogenes (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å | ||||||
Authors | Chen, W. / Zhang, H. / Zhang, Y. / Wang, Y. / Gan, J. / Ji, Q. | ||||||
| Funding support | China, 1items
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Citation | Journal: Plos Biol. / Year: 2019Title: Molecular basis for the PAM expansion and fidelity enhancement of an evolved Cas9 nuclease. Authors: Chen, W. / Zhang, H. / Zhang, Y. / Wang, Y. / Gan, J. / Ji, Q. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 6k4p.cif.gz | 667.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb6k4p.ent.gz | 540 KB | Display | PDB format |
| PDBx/mmJSON format | 6k4p.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 6k4p_validation.pdf.gz | 496.6 KB | Display | wwPDB validaton report |
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| Full document | 6k4p_full_validation.pdf.gz | 533 KB | Display | |
| Data in XML | 6k4p_validation.xml.gz | 51.2 KB | Display | |
| Data in CIF | 6k4p_validation.cif.gz | 71.9 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k4/6k4p ftp://data.pdbj.org/pub/pdb/validation_reports/k4/6k4p | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 6k3zC ![]() 6k4qC ![]() 6k4sC ![]() 6k4uC ![]() 6k57C ![]() 4un3S S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
-DNA chain , 2 types, 2 molecules CD
| #2: DNA chain | Mass: 8552.563 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Streptococcus pyogenes (bacteria) |
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| #3: DNA chain | Mass: 3725.465 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Streptococcus pyogenes (bacteria) |
-RNA chain / Protein , 2 types, 2 molecules AB
| #1: RNA chain | Mass: 27094.166 Da / Num. of mol.: 1 Mutation: D10A, C80L, A262T, R324L, S409T, E480K, E543D, C574E, M694I, H840A, E1219V Source method: obtained synthetically / Source: (synth.) Streptococcus pyogenes (bacteria) |
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| #4: Protein | Mass: 158574.844 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Streptococcus pyogenes serotype M1 (bacteria)Gene: Cas9 / Production host: ![]() References: UniProt: Q99ZW2, Hydrolases; Acting on ester bonds |
-Non-polymers , 2 types, 27 molecules 


| #5: Chemical | ChemComp-PO4 / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.88 Å3/Da / Density % sol: 57.23 % |
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| Crystal grow | Temperature: 289 K / Method: vapor diffusion, sitting drop / pH: 8 Details: 0.2M Ammonium phosphate dibasic, 20%(w/v) Polyethylene glycol 3,350 |
-Data collection
| Diffraction | Mean temperature: 85 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: SSRF / Beamline: BL19U1 / Wavelength: 0.9785 Å |
| Detector | Type: AGILENT EOS CCD / Detector: CCD / Date: Sep 21, 2018 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9785 Å / Relative weight: 1 |
| Reflection | Resolution: 2.9→50 Å / Num. obs: 48459 / % possible obs: 98.9 % / Redundancy: 3 % / CC1/2: 0.961 / Rpim(I) all: 0.116 / Net I/σ(I): 6.8 |
| Reflection shell | Resolution: 2.9→3 Å / Redundancy: 2.9 % / Num. unique obs: 4780 / CC1/2: 0.376 / Rpim(I) all: 0.7 / % possible all: 99.4 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 4UN3 Resolution: 2.9→46.77 Å / Cor.coef. Fo:Fc: 0.929 / Cor.coef. Fo:Fc free: 0.871 / SU ML: 0.411 / Cross valid method: THROUGHOUT / ESU R Free: 0.453 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: 1 / Resolution: 2.9→46.77 Å
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| Refine LS restraints |
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Streptococcus pyogenes serotype M1 (bacteria)
X-RAY DIFFRACTION
China, 1items
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