



Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
PLIC-1 Double Nickase Plasmid (h) | sc-408872-NIC | 20 µg | $410.00 |
UBQLN1 encodes ubiquilin-1 (PLIC-1), a ubiquitin-like/ubiquitin-associated (UBL/UBA) adaptor that couples polyubiquitinated substrates to the 26S proteasome and supports protein quality control. PLIC-1 participates in ubiquitin–proteasome system homeostasis, ER-associated degradation (ERAD), and turnover of misfolded or aggregation-prone proteins, intersecting with autophagy-related pathways that maintain proteostasis. Dysregulated UBQLN1/PLIC-1 function has been linked to cellular stress responses and protein aggregation phenotypes relevant to neurodegenerative disease models and other disorders characterized by impaired proteome maintenance. Because UBQLN1 influences degradation, signaling, and stress adaptation, it is widely studied for its impact on ubiquitin-dependent pathways and proteostasis networks in human cells.
PLIC-1 Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the UBQLN1 locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within UBQLN1. 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 UBQLN1 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 UBQLN1-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.