Our featured PRCISR™ CRISPR libraries
Click on the links below to get more information on any of the libraries and to obtain a quote.

Vivlion’s flagship genome-wide PRCISR™ CRISPR library, coming in single and fixed-pair formats.
Industry-leading uniformity, efficiency, and gene coverage.
Order now: Alexandria single-targeting library, Cat. no. LGW101
Single-targeting human genome-wide CRISPRko library
Order now: Alexandria fixed-pair library, Cat. no. LGW201
Fixed-pair human genome-wide CRISPRko library
Order now: Alexandria fixed-pair library, Cat. no. LGW202
Fixed-pair mouse genome-wide CRISPRko library
Order now: Alexandria fixed-pair library, Cat. no. LGW203
Fixed-pair human genome-wide CRISPRko library/mCherry
Order now: Alexandria fixed-pair library, Cat. no. LGW204
Fixed-pair mouse genome-wide CRISPRko library/mCherry

Pergamon: A minimized single-targeting genome-wide PRCISR™ CRISPR library.
Industry-leading uniformity, efficiency, and gene coverage.
Order now: Pergamon single-targeting library, Cat. no. LGW103
Single-targeting human genome-wide CRISPRko library

UPS library: A PRCISR™ CRISPR library targeting the ubiquitin-proteasome system.
Industry-leading uniformity, efficiency, and coverage of gene family.
Order now: UPS single-targeting library, Cat. no. LPF103
Single-targeting human CRISPRko library
PRCISR™ CRISPR
Vivlion’s CRISPR-enabled Discovery Platform
Customized PRCISR™ CRISPR libraries
PRCISR™ CRISPR sgRNA-expressing plasmid are based on lentiviral backbones containing modules for expression of gRNAs, of Cas enzymes, of selection and enrichment markers. Explore our versatile toolbox to assemble your desired backbones.

For ordering a customized library or if you have additional needs, please get in touch.
For more information, see our page on customized libraries
Contact us
We would like to hear more about your CRISPR questions and applications – please reach out to us by completing the following form:
