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- EMDB-15698: Cryo-EM structure of Cas12k-sgRNA binary complex (type V-K CRISPR... -
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Open data
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Basic information
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Title | Cryo-EM structure of Cas12k-sgRNA binary complex (type V-K CRISPR-associated transposon) | |||||||||||||||
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![]() | CRISPR / complex / transposition / DNA BINDING PROTEIN | |||||||||||||||
Function / homology | : / Cas12k![]() | |||||||||||||||
Biological species | ![]() | |||||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.87 Å | |||||||||||||||
![]() | Tenjo-Castano F / Sofos N / Stella S / Molina R / Pape T / Lopez-Mendez B / Stutzke LS / Temperini P / Montoya G | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural prediction of the Cas12k interaction with the transposon pre-integration complex Authors: Tenjo-Castano F / Sofos N / Stella S / Molina R / Pape T / Lopez-Mendez B / Stutzke LS / Temperini P / Montoya G | |||||||||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 108.4 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 22.5 KB 22.5 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 12.7 KB | Display | ![]() |
Images | ![]() | 54.9 KB | ||
Masks | ![]() | 216 MB | ![]() | |
Filedesc metadata | ![]() | 6.7 KB | ||
Others | ![]() ![]() ![]() | 195.6 MB 200.7 MB 200.7 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 790.5 KB | Display | ![]() |
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Full document | ![]() | 790 KB | Display | |
Data in XML | ![]() | 21.6 KB | Display | |
Data in CIF | ![]() | 28 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8axbMC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Map
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Voxel size | X=Y=Z: 0.832 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
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Projections & Slices |
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Density Histograms |
-Additional map: Post-processed by DeepEMhancer. Used for model building.
File | emd_15698_additional_1.map | ||||||||||||
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Annotation | Post-processed by DeepEMhancer. Used for model building. | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_15698_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_15698_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Binary complex of ShCas12k bound to sgRNA.
Entire | Name: Binary complex of ShCas12k bound to sgRNA. |
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Components |
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-Supramolecule #1: Binary complex of ShCas12k bound to sgRNA.
Supramolecule | Name: Binary complex of ShCas12k bound to sgRNA. / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 159 KDa |
-Macromolecule #1: Cas12k
Macromolecule | Name: Cas12k / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 74.738258 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MSQITIQARL ISFESNRQQL WKLMADLNTP LINELLCQLG QHPDFEKWQQ KGKLPSTVVS QLCQPLKTDP RFAGQPSRLY MSAIHIVDY IYKSWLAIQK RLQQQLDGKT RWLEMLNSDA ELVELSGDTL EAIRVKAAEI LAIAMPASES DSASPKGKKG K KEKKPSSS ...String: MSQITIQARL ISFESNRQQL WKLMADLNTP LINELLCQLG QHPDFEKWQQ KGKLPSTVVS QLCQPLKTDP RFAGQPSRLY MSAIHIVDY IYKSWLAIQK RLQQQLDGKT RWLEMLNSDA ELVELSGDTL EAIRVKAAEI LAIAMPASES DSASPKGKKG K KEKKPSSS SPKRSLSKTL FDAYQETEDI KSRSAISYLL KNGCKLTDKE EDSEKFAKRR RQVEIQIQRL TEKLISRMPK GR DLTNAKW LETLLTATTT VAEDNAQAKR WQDILLTRSS SLPFPLVFET NEDMVWSKNQ KGRLCVHFNG LSDLIFEVYC GNR QLHWFQ RFLEDQQTKR KSKNQHSSGL FTLRNGHLVW LEGEGKGEPW NLHHLTLYCC VDNRLWTEEG TEIVRQEKAD EITK FITNM KKKSDLSDTQ QALIQRKQST LTRINNSFER PSQPLYQGQS HILVGVSLGL EKPATVAVVD AIANKVLAYR SIKQL LGDN YELLNRQRRQ QQYLSHERHK AQKNFSPNQF GASELGQHID RLLAKAIVAL ARTYKAGSIV LPKLGDMREV VQSEIQ AIA EQKFPGYIEG QQKYAKQYRV NVHRWSYGRL IQSIQSKAAQ TGIVIEEGKQ PIRGSPHDKA KELALSAYNL RLTRRSG SE FELENLYFQ UniProtKB: Cas12k |
-Macromolecule #2: sgRNA
Macromolecule | Name: sgRNA / type: rna / ID: 2 / Number of copies: 1 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 84.006516 KDa |
Sequence | String: GGAUAUUAAU AGCGCCGCAA UUCAUGCUGC UUGCAGCCUC UGAAUUUUGU UAAAUGAGGG UUAGUUUGAC UGUAUAAAUA CAGUCUUGC UUUCUGACCC UGGUAGCUGC UCACCCUGAU GCUGCUGUCA AUAGACAGGA UAGGUGCGCU CCCAGCAAUA A GGGCGCGG ...String: GGAUAUUAAU AGCGCCGCAA UUCAUGCUGC UUGCAGCCUC UGAAUUUUGU UAAAUGAGGG UUAGUUUGAC UGUAUAAAUA CAGUCUUGC UUUCUGACCC UGGUAGCUGC UCACCCUGAU GCUGCUGUCA AUAGACAGGA UAGGUGCGCU CCCAGCAAUA A GGGCGCGG AUGUACUGCU GUAGUGGCUA CUGAAUCACC CCCGAUCAAG GGGGAACCCU CCAAAAGGUG GGUUGAAAGG AG AAGUCAU UUAAUAAGGC CACU |
-Macromolecule #3: water
Macromolecule | Name: water / type: ligand / ID: 3 / Number of copies: 2 / Formula: HOH |
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Molecular weight | Theoretical: 18.015 Da |
Chemical component information | ![]() ChemComp-HOH: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 8.0 mg/mL | |||||||||||||||
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Buffer | pH: 7.5 Component:
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Grid | Model: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec. / Pretreatment - Atmosphere: AIR | |||||||||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV / Details: 3 s blotting, 4 degrees celcius. |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: FEI FALCON III (4k x 4k) / Detector mode: COUNTING / Number grids imaged: 1 / Number real images: 5049 / Average exposure time: 40.0 sec. / Average electron dose: 40.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 70.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.3000000000000003 µm / Nominal defocus min: 0.7000000000000001 µm / Nominal magnification: 96000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: AB INITIO MODEL |
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Output model | ![]() PDB-8axb: |