
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
CD59 Double Nickase Plasmid (h) | sc-417670-NIC | 20 µg | $410.00 | |||
CD59 Double Nickase Plasmid (h2) | sc-417670-NIC-2 | 20 µg | $410.00 |
CD59 (protectin) is a glycosylphosphatidylinositol-anchored membrane regulator of complement that inhibits assembly of the terminal membrane attack complex (C5b-9) on host cells. By restricting complement-mediated cytolysis and limiting bystander injury, CD59 helps maintain immune homeostasis at the cell surface and shapes inflammatory signaling in vascular, hematopoietic, and epithelial compartments. Altered CD59 expression or function is linked to dysregulated complement activation and contributes to disease mechanisms involving hemolysis, neuroinflammation, and tissue injury in complement-driven pathology. As a widely expressed surface protein, CD59 is also used to study membrane microdomain biology, immune evasion, and crosstalk between innate immunity and cell survival programs.
CD59 Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the CD59 locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within CD59. When directed to adjacent sites on opposite DNA strands, the two nickases generate offset single-strand nicks that together produce a staggered double-strand break, requiring coordinated on-target activity from both guides. The resulting DNA break is resolved by endogenous cellular repair pathways, most commonly through non-homologous end joining (NHEJ), leading to insertions or deletions that disrupt CD59 function. By requiring dual sgRNA engagement at the target locus, the double nicking approach enhances editing specificity and provides a complementary CRISPR strategy for applications where additional control over targeting precision is desired.
To support efficient identification of edited cells, one plasmid encodes GFP for fluorescent visualization of transfected populations, while the companion plasmid carries a puromycin resistance gene for antibiotic selection. Together, these features support efficient enrichment of co-transfected populations and simplify the validation of CD59-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.