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:
Nov. 30, 2021
Filed:
Jan. 10, 2019
Kaneka Corporation, Osaka, JP;
Shingo Kobayashi, Takasago, JP;
Shinichi Yoshida, Takasago, JP;
Shunsuke Sato, Takasago, JP;
Naoaki Taoka, Takasago, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
Provided is a mutant PHA synthase which produces of a PHA copolymer with a high or low 3HH ratio while maintaining PHA productivity. The mutant PHA synthase is a mutant polyhydroxyalkanoate synthase having an amino acid sequence having 85% or more sequence identity with the amino acid sequence of SEQ ID NO: 1 and having at least one of the following mutations (a) to (c): (a) a substitution of serine at 389th position from N-terminus of the amino acid sequence of SEQ ID NO: 1 with an amino acid other than serine; (b) a substitution of leucine at 436th position from the N-terminus of the amino acid sequence of SEQ ID NO: 1 with an amino acid other than leucine; and (c) a deletion of 11 to 19 amino acid residues from the C-terminus of the amino acid sequence of SEQ ID NO: 1.