CRISPRscan predictions are available as tracks for the UCSC genome browser. Click on one species to load the CRISPRscan track hub.
Zebrafish Danio rerio Worm Caenorhabditis elegans Fly Drosophila melanogaster Human Homo sapiens Mouse Mus musculus Rat Rattus norvegicus Yeast Saccharomyces cerevisiae Frog Xenopus laevis Frog Xenopus tropicalis
Xenopus tracks are also available as UCSC genome tracks. Before loading these tracks, please load the genome track from Xenbase:
Then load the tracks clicking:
Frog Xenopus tropicalis Frog Xenopus laevis
![]() |
High CRISPRscan score - High activity gRNAs |
![]() |
Low CRISPRscan score |
![]() |
gRNAs with potential off-target(s) |