ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,962, issued on April 15, was assigned to Codexis Inc. (Redwood City, Calif.).

"Engineered acetate kinase variant enzymes" was invented by Jonathan Vroom (South San Francisco, Calif.), Alberto Ortega Guerra (Menlo Park, Calif.), Jovana Nazor (Milpitas, Calif.) and Mikayla Jianghongxia Krawczyk (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides engineered acetate kinase (AcK) enzymes, polypeptides having AcK activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. Methods for producing AcK enzymes are also provided. The presen...