Different Proteins can be used for CRISPR gene editing which will get around legal issues on CRISPR-Cas9
The cutting protein Cas9 can be replaced by a different protein, Cpf1, which Feng Zhang, a researcher at the Broad Institute of MIT and Harvard says will also work as a versatile editing tool. The background for the Broad announcement is a bruising patent fight with the University of California, Berkeley, over who invented the …