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. 04, 2023
Filed:
Jul. 25, 2018
Applicants:
Spiber Inc., Yamagata, JP;
Riken, Saitama, JP;
Inventors:
Keisuke Morita, Tsuruoka, JP;
Yunosuke Abe, Tsuruoka, JP;
Takehisa Maekawa, Tsuruoka, JP;
Koichi Kotaka, Tsuruoka, JP;
Junichi Sugahara, Tsuruoka, JP;
Keiji Numata, Wako, JP;
Assignees:
Spiber Inc., Yamagata, JP;
Riken, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 14/435 (2006.01); C12N 15/63 (2006.01); D01F 4/02 (2006.01);
U.S. Cl.
CPC ...
C07K 14/43518 (2013.01); C12N 15/63 (2013.01); D01F 4/02 (2013.01);
Abstract
The present invention relates to a modified fibroin including a domain sequence represented by Formula 1: [(A)motif-REP]or Formula 2: [(A)motif-REP]−(A)motif, in which the domain sequence has an amino acid sequence with a reduced content of a glutamine residue equivalent to an amino acid in which one or a plurality of glutamine residues in REP are deleted or substituted with other amino acid residues, as compared with a naturally occurring fibroin.