ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,074, issued on June 17, was assigned to MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V. (Munich).

"Site-specific serine ADP-ribosylated proteins and peptides and method for producing the same" was invented by Juan Jose Bonfiglio (Munich) and Ivan Matic (Cologne, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for producing a site -specifically serine ADP-ribosylated protein or peptide being, comprising: (a) subjecting a protein or peptide comprising or consisting of an amino acid sequence comprising two or more serines, wherein at least one serine is phosphorylated and at least one serin...