Patent Pending
Class 2 CRISPR-Cas are streamlined versions in which a single Cas protein bound to RNA is responsible for binding to and cleavage of a targeted sequence. The
programmable nature of these minimal systems has facilitated their use as a versatile technology for genome editing. CRISPR-Cas enzymes with reduced requirements for a protospacer-adjacent motif (PAM) sequence adjacent to the target site could improve the breadth of target sites available for genome editing.
UC Berkeley researchers have developed a novel PAM-loose 12a variants, nucleic acids encoding the variant Cas12a proteins and systems using these variants that make the Cas12a-based CRISPR technology much easier to design a DNA target for carrying out genome editing in human cells.