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Streptococcus Pyogenes CRISPR-Cas9 Protein, His Tag

Streptococcus Pyogenes CRISPR-Cas9 Protein, His Tag

产品编号

KMP4412

别名

规格
  • 50ug
  • 100ug
  • 200ug
产品介绍
Catalog NumberKMP4412
Molecular NameCRISPR-Cas9
Size50ug, 100ug, 200ug
Purity>90% as determined by SDS-PAGE
Product DescriptionThe Streptococcus Pyogenes CRISPR-Cas9 Protein, His Tag(KMP4412) is produced in Insect Cells. A DNA sequence encoding the s. pyogenes serotype M1 cas9 (WP_010922251.1) (Met1-Asp1368) was expressed with a nuclear localization sequence (NLS) at the N-terminus, two NLSs and a polyhistidine tag at the C-terminus.
Storage ConditionAliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
Formulation20mM Tris, 300mM NaCl, 50% Glycerol, 0.5mM PMSF, 0.1mM EDTA, 0.5mM TCEP, pH8.0
Shipping ConditionIn general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. If supplied as liquid, the proteins will be shipped with dry ice.
SpeciesStreptococcus Pyogenes
HostInsect Cells
PurificationAffinity purification
Endotoxin<1.0 EU/ug determined by the LAL method
FAQ
  • Q1-该蛋白是否具有核酸酶活性?

    是的,Cas9蛋白在sgRNA引导下可靶向切割DNA。

  • Q2-能否用于基因编辑实验?

    可以,广泛应用于体外或细胞内的基因敲除、敲入等研究。

  • Q3-His标签是否影响功能?

    不影响,标签位于蛋白末端,经功能验证活性完好。

  • Q4-是否需要额外添加RNase抑制剂?

    建议在实验体系中加入RNase抑制剂以保护sgRNA。

  • Q5-是否有预复合sgRNA的成品提供?

    支持定制Cas9-sgRNA复合体,需提前联系确认序列。

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