SNRPF Human Gene Knockout Kit (CRISPR) KN400416 USD 1,290.00 2 Weeks SNRPF - KN2.0, Human gene knockout kit via CRISPR, non-homology mediated. Format 2 gRNA vectors, 1 linear donor Donor DNA EF1a-GFP-P2A-Puro KN400416 is the updated version of KN200416.