US Patent Issued to Ipsen Biopharm on March 31 for "Clostridial neurotoxins comprising an exogenous activation loop" (British Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,139, issued on March 31, was assigned to Ipsen Biopharm Ltd. (Wrexham, Great Britain).

"Clostridial neurotoxins comprising an exogenous activation loop" was invented by Adam Kupinski (Wrexham, Great Britain) and Laura Lovelock (Wrexham, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An engineered clostridial neurotoxin comprising an activation loop that comprises an amino acid sequence of the formula Cys-(Xaa)a-Ile-Asp/Glu-Gly-Arg-(Yaa)b-Cys(SEQ ID NO: 1), wherein a is an integer from 1 to 10, b is an integer from 4 to 15, each iteration of Xaa and Yaa individually represents an amino acid, and the engineered clostridial neurotoxin is...