Patent 7964556 was granted and assigned to Toagosei on June, 2011 by the United States Patent and Trademark Office.
Antimicrobial agent including an artificially synthesized antimicrobial peptide that does not occur naturally is provided by present invention. The peptide included in the antimicrobial agent includes 1 unit, 2 units or more units of sequence(s) or sequence(s) with partial modification, the sequence(s) composed of at least 6 contiguous amino acid residues selected from any one of amino acid sequences:(a) KVQIINKK;(b) SVQIVYKP;(c) QVEVKSEK;(d) KKVAVVRT;(e) KKVAIIRT;(f) KKPTSAK, andthe total number of amino acid residues included in 1 unit, 2 units or more units of sequence(s) is 30% or more of the total number of amino acid residues constituting the peptide chain.