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:
Jul. 03, 2018
Filed:
Feb. 17, 2017
Dongguan Apac Biotechnology Co., Ltd., DongGuan, CN;
Tzu-Hui Wu, Taipei, TW;
Ya-Shan Cheng, Taipei, TW;
Hui-Lin Lai, Taipei, TW;
Cheng-Yen Lin, Taipei, TW;
Tsung-Yu Ko, Taipei, TW;
Jian-Wen Huang, Taipei, TW;
Chun-Chi Chen, Taipei, TW;
Rey-Ting Guo, Taipei, TW;
DONGGUAN APAC BIOTECHNOLOGY CO., LTD., Dongguan, CN;
Abstract
A phytase having improved thermostability is disclosed. The phytase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is one of mutations A to D. The mutation A is to substitute amino acids at positions 143 and 262 with cysteine, the mutation B is to substitute amino acids at positions 259 and 312 with cysteine, the mutation C is to substitute amino acids at positions 205 and 257 with cysteine, and the mutation D is to substitute amino acids at positions 264 and 309 with cysteine.