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NEB/EnGen? Spy Cas9 NLS/500 pmol/M0646T

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貨號(hào): M0646T

品牌: NEB

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常見(jiàn)問(wèn)題

- EnGen Spy Cas9 NLS, is an RNA-guided endonuclease that catalyzes site- specific cleavage of double stranded DNA. The location of the break is within the target sequence 3 bases from the NGG PAM (Protospacer Adjacent Motif) (1). The PAM sequence, NGG, must follow the targeted region on the opposite strand of the DNA with respect to the region complementary sgRNA sequence. EnGen Spy Cas9 NLS contains Simian virus 40 (SV40) T antigen nuclear localization sequence (NLS) on the N- and C- termini of the protein.
  Increased genome editing efficiency using Cas9 RNP delivery
  Cas9 and sgRNA targeting a human gene were delivered to HEK293 cells by transfection. Transfected plasmid DNA contained expression cassettes for 2x NLS (N- and C-terminal) Cas9 and sgRNA. Plasmid DNA was delivered using TransIT-X2 (Mirus). Transfected mRNA was modified with pseudouridine and 5-methylcytosine and encoded 2x NLS (N-and C-terminal) Cas9. sgRNA was co-transfected with the mRNA using TransIT-mRNA. Cas9 RNPs were delivered in reverse transfections using Lipofectamine RNAiMAX (Life Technologies) using 10 nanomolar final concentration of ribonucleoprotein (RNP). Cas9 has no NLS in the protein sequence. EnGen Cas9 has N- and C-terminal NLSs. The efficiency of editing was determined using T7 Endonuclease I assay and is expressed as % modification.
  Product Source
  An E. coli strain that carries the cloned Cas9 gene from Streptococcus pyogenes with N- and C-terminal Simian virus 40 (SV40) nuclear localization signals (NLS) and a N- terminal 6XHis tag.
  This product is related to the following categories:
  Genome Editing Products,
  Programmable Nucleases
  This product can be used in the following applications:
  Genome Editing Applications
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