



Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
GalNAc-T13 Double Nickase Plasmid (h) | sc-407103-NIC | 20 µg | $410.00 |
Human GALNT13 encodes polypeptide N-acetylgalactosaminyltransferase 13 (GalNAc-T13), a Golgi-resident enzyme that initiates mucin-type O-glycosylation by transferring GalNAc to serine and threonine residues on secreted and membrane proteins. By shaping O-glycan patterns, GalNAc-T13 influences protein stability, proteolytic processing, and ligand–receptor interactions that impact cell adhesion, migration, and signal transduction across glycoprotein-dependent pathways. Altered GALNT13 expression and O-glycosylation programs have been associated with oncogenic phenotypes, including changes in tumor cell invasiveness and interactions with the extracellular microenvironment. Functional studies commonly examine GALNT13 within broader glycosylation networks that modulate immune recognition and epithelial cell biology.
GalNAc-T13 Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the GALNT13 locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within GALNT13. 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 GALNT13 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 GALNT13-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.