Nemf Mouse Gene Knockout Kit (CRISPR) KN510900 USD 1,290.00 2 Weeks Nemf - KN2.0, Mouse gene knockout kit via CRISPR, non-homology mediated. Format 2 gRNA vectors, 1 linear donor Donor DNA EF1a-GFP-P2A-Puro KN510900 is the updated version of KN310900.