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Yorodumi- PDB-8qwf: ReChb - crRNA - target dsDNA complex in the presence of collatera... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8qwf | ||||||
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Title | ReChb - crRNA - target dsDNA complex in the presence of collateral dsDNA | ||||||
Components |
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Keywords | BIOSYNTHETIC PROTEIN / Cas / cryo-EM / ancestral sequence reconstruction / biotechnology / DNA / RNA | ||||||
Function / homology | DNA / DNA (> 10) / RNA / RNA (> 10) Function and homology information | ||||||
Biological species | synthetic construct (others) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.08 Å | ||||||
Authors | Lopez-Alonso, J.P. / Ubarretxena-Belandia, I. / Tascon, I. | ||||||
Funding support | 1items
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Citation | Journal: Nature Biotechnology / Year: 2024 Title: A resurrected ancestor of Cas12a expands target access and substrate 2 recognition for nucleic-acid editing and detection Authors: Jabalera, Y. / Tascon, I. / Samperio, S. / Lopez-Alonso, J.P. / Gonzalez-Lopez, M. / Aransay, A.M. / Abascal-Palacios, G. / Beisel, C.L. / Ubarretxena-Belandia, I. / Jimenez-Perez, R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8qwf.cif.gz | 298.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8qwf.ent.gz | 229.4 KB | Display | PDB format |
PDBx/mmJSON format | 8qwf.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8qwf_validation.pdf.gz | 1.2 MB | Display | wwPDB validaton report |
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Full document | 8qwf_full_validation.pdf.gz | 1.3 MB | Display | |
Data in XML | 8qwf_validation.xml.gz | 49.8 KB | Display | |
Data in CIF | 8qwf_validation.cif.gz | 74 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qw/8qwf ftp://data.pdbj.org/pub/pdb/validation_reports/qw/8qwf | HTTPS FTP |
-Related structure data
Related structure data | 18694MC 8qwdC 8qweC C: citing same article (ref.) M: map data used to model this data |
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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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-Components
#1: Protein | Mass: 148954.109 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli) | ||
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#2: RNA chain | Mass: 12696.498 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others) | ||
#3: DNA chain | Mass: 11983.707 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others) | ||
#4: DNA chain | Mass: 12023.731 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Ctagcatatttatcctaaggcgttaccccaatgggaggg / Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others) | ||
#5: Chemical | ChemComp-MG / Has ligand of interest | N | |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: Quaternary complex of ReChb - crRNA - target dsDNA - collateral dsDNA Type: COMPLEX / Entity ID: #1-#4 / Source: MULTIPLE SOURCES | |||||||||||||||||||||||||
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Source (natural) | Organism: synthetic construct (others) | |||||||||||||||||||||||||
Source (recombinant) | Organism: Escherichia coli (E. coli) | |||||||||||||||||||||||||
Buffer solution | pH: 7.5 | |||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 2.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||||||||||||
Specimen support | Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3 | |||||||||||||||||||||||||
Vitrification | Instrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Details: 2s blotting |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 105000 X / Nominal defocus max: 1600 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 2.12 sec. / Electron dose: 50.2 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of real images: 34123 |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV |
-Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 1526906 | ||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.08 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 300509 / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: FLEXIBLE FIT / Space: REAL | ||||||||||||||||||||||||||||||||||||||||
Atomic model building | Details: ModelAngelo / Source name: Other / Type: other | ||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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