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- PDB-6k57: Crystal structure of dCas9 in complex with sgRNA and DNA (CGA PAM) -
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Open data
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Basic information
Entry | Database: PDB / ID: 6k57 | ||||||
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Title | Crystal structure of dCas9 in complex with sgRNA and DNA (CGA PAM) | ||||||
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![]() | HYDROLASE/RNA/DNA / endonuclease / HYDROLASE-RNA-DNA complex | ||||||
Function / homology | ![]() maintenance 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 | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Chen, W. / Zhang, H. / Zhang, Y. / Wang, Y. / Gan, J. / Ji, Q. | ||||||
Funding support | ![]()
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![]() | ![]() Title: 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: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 666.4 KB | Display | ![]() |
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PDB format | ![]() | 541.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 481.2 KB | Display | ![]() |
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Full document | ![]() | 529.1 KB | Display | |
Data in XML | ![]() | 51.6 KB | Display | |
Data in CIF | ![]() | 72 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6k3zC ![]() 6k4pC ![]() 6k4qC ![]() 6k4sC ![]() 6k4uC ![]() 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
#1: RNA chain | Mass: 26788.984 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
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#2: Protein | Mass: 158588.781 Da / Num. of mol.: 1 / Mutation: D10A, H840A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: Cas9 / Production host: ![]() ![]() References: UniProt: Q99ZW2, Hydrolases; Acting on ester bonds |
#3: DNA chain | Mass: 8583.573 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
#4: DNA chain | Mass: 3694.455 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
#5: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.86 Å3/Da / Density % sol: 56.99 % |
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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: ![]() ![]() ![]() |
Detector | Type: AGILENT EOS CCD / Detector: CCD / Date: Mar 15, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9785 Å / Relative weight: 1 |
Reflection | Resolution: 2.98→50 Å / Num. obs: 44046 / % possible obs: 98.8 % / Redundancy: 6.4 % / CC1/2: 0.989 / Rpim(I) all: 0.046 / Net I/σ(I): 16.2 |
Reflection shell | Resolution: 2.98→3.09 Å / Redundancy: 5.7 % / Mean I/σ(I) obs: 2 / Num. unique obs: 4274 / CC1/2: 0.793 / Rpim(I) all: 0.39 / % possible all: 97.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4UN3 Resolution: 2.98→48.89 Å / Cor.coef. Fo:Fc: 0.924 / Cor.coef. Fo:Fc free: 0.859 / SU B: 47.618 / SU ML: 0.384 / Cross valid method: THROUGHOUT / ESU R Free: 0.499 / 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 57.358 Å2
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Refinement step | Cycle: 1 / Resolution: 2.98→48.89 Å
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Refine LS restraints |
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