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:
Sep. 08, 2015
Filed:
Oct. 20, 2011
Soo an Shin, Seoul, KR;
Jin Sook Chang, Seoul, KR;
Hye Won Um, Suwon-si, KR;
Jae Hyun JO, Seoul, KR;
Byeong Cheol Song, Uiwang-si, KR;
Kyoung Min Lee, Daejeon, KR;
Soo An Shin, Seoul, KR;
Jin Sook Chang, Seoul, KR;
Hye Won Um, Suwon-si, KR;
Jae Hyun Jo, Seoul, KR;
Byeong Cheol Song, Uiwang-si, KR;
Kyoung Min Lee, Daejeon, KR;
CJ Cheildjedang Corporation, , KR;
Abstract
Disclosed is an O-phosphoserine sulfhydrylase (OPSS) mutant which has a-derived amino acid sequence corresponding to that of SEQ ID NO: 1 which is devoid of three to seven C-terminal amino acid residues. Also, a nucleic acid molecule encoding the OPSS mutant, an expression vector carrying the nucleic acid molecule, and a transformant transformed with the expression vector are disclosed. In addition, a method is provided for producing cysteine in which O-phospho-L-serine (OPS) is reacted with a sulfide in the presence of the OPSS mutant. The OPSS mutant has improved enzymatic activity and can be applied to the environmentally friendly production of L-cysteine through a simple enzymatic conversion reaction.