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Title:
PROCESS FOR CROSSLINKING POLYPEPTIDES
Document Type and Number:
WIPO Patent Application WO/2003/082923
Kind Code:
A1
Abstract:
A process for crosslinking polypeptides containing tyrosine surrounded by uncharged amino acids having low−molecular side chains by treating such a polypeptide with a phenol oxidase. This crosslinking is catalyzed by phenol oxidases such as tyrosinase and this catalysis is specific for tyrosine surrounded by uncharged amino acids having low−molecular side chains. This process is useful in crosslinking arbitrary polypeptides.

Inventors:
FUJIWARA HARUHIKO (JP)
Application Number:
PCT/JP2002/008179
Publication Date:
October 09, 2003
Filing Date:
August 09, 2002
Export Citation:
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Assignee:
FUJIWARA HARUHIKO (JP)
International Classes:
C12N15/09; C07K1/02; C07K1/04; C07K1/107; C07K2/00; C07K7/06; C07K7/08; C07K19/00; C12N1/15; C12N1/19; C12N1/21; C12N5/10; C12P21/04; C12Q1/26; (IPC1-7): C07K19/00; C07K7/06; C07K7/08; C12N15/09; C12P21/02; C12Q1/26
Foreign References:
JPS6185400A1986-04-30
EP0947142A21999-10-06
Other References:
FUJIWARA H.: "Cross-link of cuticle protein GCP1 by phenol oxidase activity", ZOOLOGICAL SCIENCE, vol. 18, 2001, pages 52, XP002960267
KRAMER KARL J. ET AL.: "Oxidative conjugation of catechols with proteins in insect skeletal systems", TETRAHEDRON, vol. 57, 2001, pages 385 - 392, XP004228504
JIANYONG LI: "Egg chorion tanning in Aedes aegypti mosquito", COMP BIOCHEM. PHYSIOL., vol. 190A, no. 4, 1994, pages 835 - 843, XP000983202
SUZUKI Y. ET AL.: "Ecdysteroid-dependent expression of a novel cuticle protein gene BMCPG1 in the silkworm, Bombyx mori", INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY, vol. 32, no. 6, 2002, pages 599 - 607, XP002960268
Attorney, Agent or Firm:
Shimizu, Hatsushi (1-1-1 Oroshi-mach, Tsuchiura-shi Ibaraki, JP)
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