US Patent Issued to TOSOH on Oct. 6 for "Fc-binding protein having improved acid stability, production method for said protein, and antibody-adsorbing agent using said protein" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,235, issued on Oct. 6, was assigned to TOSOH Corp. (Yamaguchi, Japan).

"Fc-binding protein having improved acid stability, production method for said protein, and antibody-adsorbing agent using said protein" was invented by Masumi Takayama (Kanagawa, Japan) and Yosuke Terao (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Fc-binding protein having at least amino acid residues of the extracellular domain of the amino acid sequence of wildtype human FcGammaRIIa (UniProt Accession Number: P12318) wherein the amino acid residues in the domain have an amino acid substitution or deletion at at least a specific position, a method for produ...