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CRISPR-Cas9 (Active) protein (NLS)

This anti- antibody (ABIN3071565) is a Escherichia coli (E. coli) antibody detecting in IVCA, IVGE, MI, REP, T. Suitable for Streptococcus pyogenes.
Produktnummer ABIN3071565

Kurzübersicht für CRISPR-Cas9 (Active) protein (NLS) (ABIN3071565)

Target

CRISPR-Cas9

Protein-Typ

Recombinant

Biologische Aktivität

Active

Spezies

Streptococcus pyogenes

Quelle

  • 2
Escherichia coli (E. coli)

Applikation

In vitro Cleavage Assay (IVCA), In vivo Gene Editing (IVGE), Microinjection (MI), RNA Electroporation (REP), Transfection (T)

Reinheit

> 95 % pure as determined by SDS-PAGE with Coomassie Blue detection.
  • Aufreinigungstag / Konjugat

    NLS

    Spezifität

    Activity test
    Cas9 site-specific digestion:
    We used in vitro digestion of a linearized plasmid to determine the activity of the Cas9 nuclease. It is a sensitive assay for GenCrispr Cas9 quality control. The linearized plasmid containing the target site:
    (CATCATTGGAAAACGTTCTT)
    can be digested with gRNA:
    (CAUCAUUGGAAAACGUUCUUGUUUUAGAGCUAGAAAUAGCAAGUUAAAAUAAGGCUAGUCCGUUAUCAACUUGAAAAAGUGGCACCGAGUCGGUGCUUUUUUUU)
    and GenCrispr Cas9. Two cleavage DNA fragments (812 bp and 1898 bp) are determined by agarose gel electrophoresis. A 20 μL reaction in 1xCas9 Nuclease Reaction Buffer containing 160 ng linearized plasmid, 40 nM gRNA and 20 nM GenCrispr Cas9 for 2 hour at 37 °C results in 90 % digestion of linearized plasmid as determined by agarose gel electrophoresis.

    Produktmerkmale

    GenCrispr Cas9-C-NLS is produced by expression in an E. coli strain carrying a plasmid encoding the Cas9 gene from Streptococcus pyogenes with a C terminal nuclear localization signal (NLS).

    Aufreinigung

    purified

    Endotoxin-Niveau

    Endotoxin level is <0.1eu/ug test by gel-clot method: limit test

    Bestandteile

    GenCrispr Cas9-C-NLS
    10X Reaction Buffer
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  • Applikationshinweise

    Screening the highly efficient and specific targeting gRNAs using in vitro DNA cleavage.
    In vivo gene editing combined with specific gRNA by electroporation or injection.

    Kommentare

    1. DNA-free: no external DNA added to system.
    2. High cleavage efficiency: NLS ensures the entry of Cas9 protein into nuclei.
    3. Low off target: transient expression of Cas9 nuclease.
    4. Time-saving: no need for transcription and translation.

    Beschränkungen

    Nur für Forschungszwecke einsetzbar
  • Konzentration

    1 mg/mL

    Buffer

    10X Reaction Buffer: 200 mM HEPES, 1M NaCl, 50 mM MgCl2, 1 mM EDTA, pH 6.5 at 25 °C.
    1X Storage Buffer: 20 mM Tris, 600 mM NaCl, 0.1 mM EDTA,1 mM DTT,50 % Glycerol PH 7.4 at 25 °C)

    Konservierungsmittel

    Dithiothreitol (DTT)

    Vorsichtsmaßnahmen

    This product contains Dithiothreitol (DTT): a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.

    Lagerung

    -20 °C

    Informationen zur Lagerung

    GenCrispr Cas9-C-NLS nuclease is supplied with 1X storage buffer (20 mM Tris, 600 mM NaCl, 0.1 mM EDTA, 1 mM DTT, 50% Glycerol PH 7.4 at 25°C) and recommended to be stored at -20°C.
    Diluent Compatibility: Diluent Buffer: 300 mM NaCl, 10 mM Tris-HCl, 0.1 mM EDTA, 1 mM DTT, 500 μg/ml BSA and 50% glycerol. (pH 7.4 at 25°C).
  • Target

    CRISPR-Cas9

    Andere Bezeichnung

    Cas9-C-NLS Nuclease

    Hintergrund

    Cas9 nuclease is an RNA-guided endonuclease that can catalyze cleavage of double stranded DNA. This kind of targeted nuclease is a powerful tool for genome editing with high precision. Cas9 protein forms a very stable ribonucleoprotein (RNP) complex with the guide RNA (gRNA) component of the CRISPR/Cas9 system. The Cas9 RNP complex can localize to the nucleus immediately upon entering the cell with the addition of a nuclear localization signal (NLS). There is no requirement for transcription and translation compared with mRNA or plasmid systems. Additionally, the Cas9 RNP complex is rapidly cleared from the cell minimizing the chance of off-target cleavage when compared to other systems (Kim, et al. 2014). This DNA-free system avoids the risk of inserting foreign DNA into the genome, which can be quite useful for gene editing-based disease therapy. GenScript has developed a Cas9-C-NLS nuclease which contains a nuclear localization sequence (NLS) on the C-terminus of the protein to meet all the researchers' requirements (e.g. in vitro cleavage assay, RNP complex transfection, and micro injection).
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