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Yorodumi- PDB-8q3z: Crystal structure of cA4-bound Can2 from Thermoanaerobacter brockii -
+Open data
-Basic information
Entry | Database: PDB / ID: 8q3z | ||||||
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Title | Crystal structure of cA4-bound Can2 from Thermoanaerobacter brockii | ||||||
Components |
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Keywords | DNA BINDING PROTEIN / Can2 / cyclic oligoadenylates / cA4 / CARF / CRISPR ancillary nuclease | ||||||
Function / homology | tRNA endonuclease-like domain superfamily / Restriction endonuclease type II-like / nucleic acid binding / metal ion binding / : / : / RNA / DUF1887 family protein Function and homology information | ||||||
Biological species | Thermoanaerobacter brockii subsp. finnii Ako-1 (bacteria) synthetic construct (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.15 Å | ||||||
Authors | Jungfer, K. / Sigg, A. / Jinek, M. | ||||||
Funding support | European Union, 1items
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Citation | Journal: Nucleic Acids Res. / Year: 2024 Title: Substrate selectivity and catalytic activation of the type III CRISPR ancillary nuclease Can2. Authors: Jungfer, K. / Sigg, A. / Jinek, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8q3z.cif.gz | 421.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8q3z.ent.gz | 308.8 KB | Display | PDB format |
PDBx/mmJSON format | 8q3z.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8q3z_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 8q3z_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | 8q3z_validation.xml.gz | 32.6 KB | Display | |
Data in CIF | 8q3z_validation.cif.gz | 44.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/q3/8q3z ftp://data.pdbj.org/pub/pdb/validation_reports/q3/8q3z | HTTPS FTP |
-Related structure data
Related structure data | 8q3yC 8q40C 8q41C 8q42C 8q43C 8q44C C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 51400.473 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermoanaerobacter brockii subsp. finnii Ako-1 (bacteria) Gene: Thebr_0943 / Production host: Escherichia coli (E. coli) / References: UniProt: E8URK0 #2: RNA chain | | Type: Polycyclic / Class: Antiviral / Mass: 1271.866 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: Cyclic oligoadenylates such as c-tetraAMP were found to be novel bacterial second messengers. Antiviral in context of signalling for Type III CRISPR-Cas systems. Source: (synth.) synthetic construct (others) / References: BIRD: PRD_002431 #3: Chemical | Compound details | CRISPR-Cas systems provide bacteria with adaptive immunity against bacteriophages. Cyclic ...CRISPR-Cas systems provide bacteria with adaptive immunity against bacteriophages. Cyclic oligoadenylate signaling was found to be essential for the type III system against the jumbo phage. | Has ligand of interest | Y | |
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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: 2.1 Å3/Da / Density % sol: 41.43 % / Description: plate-shaped crystals |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, sitting drop / pH: 8 Details: 50 mM Tris pH 8, 17.1% (v/v) PEG 550 MME, 4.3% (w/v) PEG 2000 |
-Data collection
Diffraction | Mean temperature: 80 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 1 Å |
Detector | Type: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: May 25, 2022 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 3.15→93.77 Å / Num. obs: 14187 / % possible obs: 95.65 % / Redundancy: 6.3 % / Biso Wilson estimate: 71.69 Å2 / CC1/2: 0.997 / Rmerge(I) obs: 0.138 / Rpim(I) all: 0.0599 / Rrim(I) all: 0.15 / Net I/σ(I): 7.3 |
Reflection shell | Resolution: 3.15→3.27 Å / Redundancy: 6.7 % / Rmerge(I) obs: 0.905 / Mean I/σ(I) obs: 2.24 / Num. unique obs: 1474 / CC1/2: 0.708 / Rpim(I) all: 0.3761 / Rrim(I) all: 0.981 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 3.15→93.77 Å / SU ML: 0.4865 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 26.7464 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 76.71 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.15→93.77 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group | Refine-ID: X-RAY DIFFRACTION
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