ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,935, issued on April 15, was assigned to Altius Institute for Biomedical Sciences (Seattle).

"Gapped and tunable repeat units for use in genome editing and gene regulation compositions" was invented by Fyodor Urnov (Seattle) and John A. Stamatoyannopoulos (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are DNA binding domains comprising a plurality of repeat units, wherein each repeat unit is expanded or contracted in length. Also provided herein are DNA binding domains comprising a plurality of repeat units, wherein each repeat unit is separated from a neighboring repeat unit by a linker. In certain aspects, the linker includ...