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:
Oct. 26, 2021
Filed:
Jan. 15, 2018
Feed Research Institute Chinese Academy of Agricul, Beijing, CN;
Canfang Niu, Beijing, CN;
Peilong Yang, Beijing, CN;
Bin Yao, Beijing, CN;
Yangyang LI, Beijing, CN;
Yongkai Du, Beijing, CN;
Huiying Luo, Beijing, CN;
Huoqing Huang, Beijing, CN;
Yaru Wang, Beijing, CN;
Canfang Niu, Beijing, CN;
Peilong Yang, Beijing, CN;
Bin Yao, Beijing, CN;
Yangyang Li, Beijing, CN;
Yongkai Du, Beijing, CN;
Huiying Luo, Beijing, CN;
Huoqing Huang, Beijing, CN;
Yaru Wang, Beijing, CN;
Other;
Abstract
The present invention relates to the field of genetic engineering, particularly to phytase variant YeAPPA having improved pepsin resistance and acid resistance, and increased catalytic efficiency, by substituting Leucine at the 162site of the sequence set forth in SEQ ID NO.1 with glycine or proline or substituting glutamic acid at the 230site of the sequence set forth in SEQ ID NO.1 with glycine, proline or arginine, in the benefit of the development of economical feed enzyme industry.