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Showing: 1 - 14 of 14 results
  1. Plasmids 101: Protein tags

    Type
    Blog Post
    Published
    Dec. 11, 2014, 4:26 p.m.
    ...optimized is the tobacco etch virus (TEV) protease. A TEV protease cleavage site is frequently placed between...comprised of a calmodulin binding peptide (CBP), a TEV cleavage site (more on that in a moment), and 2 ProtA...purification, with the cleavage reaction taking place between column runs. The TEV protease itself, with...-based purification; has inherent enterokinase cleavage site GST Large Protein 26 Purification and Stability... for antibody-based purification Combo and cleavage tags Frequently, a single tag is not enough. What...without requiring the addition of an independent cleavage recognition site. In fact, SUMO cannot be used...cleaving after the lysine. The efficiency of this cleavage depends on the identity of X. A number of other...
  2. FlipGFP, a novel fluorescence protease reporter to study apoptosis

    Type
    Blog Post
    Published
    May 21, 2019, 12:10 p.m.
    ...K5 linkers that are connected to a TEV protease cleavage site. TEV protease is a highly specific protease...caspase-3 (an executioner caspase) cleavage site (DEVD). Upon cleavage of the sequence, β10 and β11 can ...reporters, the FRET pair is linked by a caspase cleavage site. Cutting the linker by a caspase results ...changes of the donor and acceptor after proteolytic cleavage. Secondly, fluorescence imaging of living organisms...approximately 100-fold increase in fluorescence after cleavage by executioner caspases. Failure for cells to ...
  3. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    Published
    June 19, 2015, 3:08 p.m.
    ...disulfide bonds fold properly. If a TEV protease site is present, TEV can remove these tags from the purified...and easily. These tagged plasmids also include cleavage sites should one need to remove the tag post-purification...
  4. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...of the TEV cleavage and improve utility of the system for use with low affinity variants of TEV. The new...evolution platform to generate TEV protease variants. Catalysis by TEV protease allows a transcription...catalytic efficiency of tobacco etch virus protease (TEV), a highly sequence-specific protease used to cleave...
  5. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    Published
    March 23, 2021, 1:15 p.m.
    ...target DNA without cleavage until it's activated by light. Once activated, Cas9 cleavage can induce DSBs ...additional useful tags, including 3xFLAG epitopes, TEV and BioTag, which can be used in protein affinity...
  6. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...genotyping. The most common options include mismatch cleavage assays, such as Surveyor™, T7E1, and Sanger sequencing...adequate standards for validating edits.  Mismatch cleavage assays rely on pairing between the edited strand... in the genome predicted to contain off-target cleavage events. Unbiased techniques search the whole genome...Detection Limit Advantages Disadvantages Mismatch Cleavage Assay Not Provided 5% Inexpensive, simple Low-...Pollet. "Comparison of T7E1 and surveyor mismatch cleavage assays to detect mutations triggered by engineered.... "High-throughput profiling of off-target DNA cleavage reveals RNA-programmed Cas9 nuclease specificity...GUIDE-seq enables genome-wide profiling of off-target cleavage by CRISPR-Cas nucleases." Nature biotechnology...
  7. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    Published
    Feb. 8, 2024, 2:15 p.m.
    ... from base/prime editing or Cas cleavage. In the case of Cas cleavage, off-target mutations can be mitigated...experiment. For CRISPR work, this often means DNA cleavage at unanticipated sites. While off-target effects...cause a DSBs will be very low, reducing off-target cleavage. How to quantify off-target events Even after...will be on target. Thus, if you isolate/sequence/whatever your editing event outcome is at a reasonable ...
  8. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ....) Fab fragments are created through enzymatic cleavage of the variable region (the antibody region that...fragment but created through engineering instead of cleavage. They are comprised of the variable heavy and ...your approach to affinity reagent applications. Whatever affinity reagents you use, one thing is clear:...
  9. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ... moieties move apart, allowing DNA binding and cleavage. This technique was applied to create photoswitchable...light (365nm) and that post-UV exposure it showed cleavage activity similar to the wild-type Cas9. This photocaging...was also shown to impart spatial control of Cas9 cleavage when using a photomasking technique. Last, Hemphill...the future! References Bubeck F, Hoffmann MD, Harteveld Z, Aschenbrenner S, Bietz A, Waldhauer MC, Börner...
  10. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    Published
    Feb. 13, 2025, 2:15 p.m.
    ...editing of A•T to G•C in genomic DNA without DNA cleavage. Nature, 551(7681), 464–471. https://doi.org/10.1038...base in genomic DNA without double-stranded DNA cleavage. Nature, 533(7603), 420–424. https://doi.org/10.1038...Gaudelli, N. M., Lam, D. K., Rees, H. A., Solá-Esteves, N. M., Barrera, L. A., Born, D. A., Edwards, A...
  11. Evolution of Lab Techniques

    Type
    Blog Post
    Published
    June 21, 2016, 2:30 p.m.
    ...Danna, Kathleen, and Daniel Nathans. "Specific cleavage of simian virus 40 DNA by restriction endonuclease...Central PMCID: PMC389558. 7. Sanger, Frederick, Steven Nicklen, and Alan R. Coulson. "DNA sequencing with...
  12. Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins

    Type
    Blog Post
    Published
    April 25, 2017, 2:30 p.m.
    ...mEosFP exposure to UV light causes an irreversible cleavage near the chromophore, resulting in emission of...Central PMCID:PMC2172000. 10.Vorvis, Christina, Steven M. Markus, and Wei‐Lih Lee. "Photoactivatable GFP...
Showing: 1 - 14 of 14 results