ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,082, issued on Jan. 20, was assigned to CJ CHEILJEDANG Corp. (Seoul, South Korea).

"O-phosphoserine export protein variant and method for producing O-phosphoserine, cysteine, and derivatives thereof using the same" was invented by Hye Min Park (Seoul, South Korea), So-Yeon Kim (Seoul, South Korea), Hee-jin Sim (Seoul, South Korea) and Jin Nam Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An O-phosphoserine (OPS) export protein variant with increased O-phosphoserine exporting activity, and a method for producing O-phosphoserine, cysteine, and cysteine derivatives using the same. Also provided herein are O-phosphoserine-produc...