ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,689, issued on Dec. 23, was assigned to GeneMind Biosciences Co. Ltd. (Guangdong, China).

"Modified klenow fragment and application thereof" was invented by Qingbin Chen (Guangdong, China), Weiyue Chen (Guangdong, China), Hongdan Li (Guangdong, China), Xia Lin (Guangdong, China), Wen Wang (Guangdong, China), Weiwei Luo (Guangdong, China) and Lei Sun (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a modified Klenow fragment and an application thereof; specifically provided is a modified Klenow fragment, wherein at least one position or functionally equivalent position among F762, A842, 1709 and P603 in the amino acid seq...