Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
CRISPRscan is a CRISPR/Cas9 gRNA scoring and selection website developed by Yale University’s Giraldez Lab. Its main goal is to help researchers choose high-quality gRNAs that are more likely to generate mutations. It is not a general-purpose developer tool in the traditional sense, but rather a specialized online tool for life sciences R&D, covering workflows such as gene-based search, sequence submission and prediction, off-target analysis, genome browser track viewing, and result export.
In terms of functionality, CRISPRscan has predicted and scored all available gRNA sites. It supports searching by target gene, and also allows users to submit custom sequences and select a genome for off-target prediction. Its off-target search covers the whole genome, supports up to 4 mismatches, and provides multiple scoring methods and rules. Results can be displayed in genomic context, combining gene, sequence, and protein domain information to support evaluation. Protein domain sources include Pfam, SMART, PROSITE, HMM-Panther, HAMAP, and others.
Species support is one of its clear strengths. The site mentions zebrafish, Xenopus, human, mouse, Drosophila, and others, with Arabidopsis, soybean, rice, sorghum, corn, sea lamprey, apple snail, and more added in 2024, making it useful for both model animal and plant research. The website also provides genome browser tracks for zebrafish, medaka, xenopus, mouse, and drosophila, distinguishing between high-scoring, low-scoring, and off-target-containing gRNA sites.
The captured content does not show any pricing, subscription, or payment information, so it appears to be more of an academic free tool, though specific licensing and service commitments are not stated. Information on APIs, SDKs, open-source code, or self-hosted deployment is also not present. Therefore, if you need large-scale automated access, internal deployment, or compliance auditing, the currently available web information is insufficient.
Its strengths are that the workflow closely matches CRISPR experiment design: it can score gRNAs, check off-targets, show genomic locations, export results, and provide protocols for oligo and sgRNA generation. Its weaknesses are limited disclosure around engineering capabilities, with no clear API, batch interface, versioned documentation, or service SLA. It is better suited for research labs, bioinformatics staff, and gene function researchers who need to quickly screen candidate gRNAs, rather than as an enterprise-grade integrable development platform.
The site does not provide information about access from mainland China, mirrors, or payment support, so its accessibility status is unknown. If the network is unstable, similar tools such as CRISPOR, CHOPCHOP, Benchling CRISPR design, and CRISPRdirect can be used for cross-validation.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on crisprscan.org official site.
crisprscan.org is an United States AI Apps provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach crisprscan.org directly.