The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2009
Filed:
May. 10, 2001
Masayuki Yabuta, Gunma, JP;
Toshihiro Sawano, Tochigi, JP;
Yumiko Masuda, Gunma, JP;
Kazuhiro Ohsuye, Gunma, JP;
Masayuki Yabuta, Gunma, JP;
Toshihiro Sawano, Tochigi, JP;
Yumiko Masuda, Gunma, JP;
Kazuhiro Ohsuye, Gunma, JP;
Asubio Pharma Co., Ltd., Tokyo, JP;
Abstract
A method for reducing the formation of a byproduct polypeptide containing an O-acetylserine residue in place of a serine residue by adding at least one of histidine, methionine or glycine to the medium in a method for producing a polypeptide containing a serine residue by culturing transformed cells, and a method for producing a polypeptide containing a serine residue by culturing transformed cells, characterized by reducing the formation of a byproduct polypeptide containing an O-acetylserine residue in place of a serine residue by adding at least one of histidine, methionine or glycine to the medium.