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Title: Cloning, expression, and characterization of a novel sericin-like protein
Authors: Bostan, Fatmanur
Sürmeli, Nur Başak
Keywords: Biomaterials
Recombinant protein
Silk proteins
Issue Date: 2022
Publisher: Wiley
Abstract: Silk consists of two proteins called fibroin and sericin. While fibroin is used in the textile industry and has various biomaterial applications, sericin has been considered as waste material until recently. Sericin is a multicomponent protein and it has important properties such as biocompatibility, biodegradability, cryoprotectivity, and antioxidant. Sericin from silkworm cocoons can be obtained by chemical, enzymatic, and heat treatment methods. However, sericin obtained with these treatment methods is not of consistent and high quality. Moreover, the exposure of sericin to harsh conditions during extraction leads to inconsistencies in the composition and structure of the sericin obtained. The inconsistencies in sericin structure and composition decrease application of sericin as a biomaterial. Here, we produce a sericin-like protein (Ser4mer) with native sequence of sericin encoding four repeats of the conserved 38 amino acid motif recombinantly in Escherichia coli and characterize its structural properties. Ser4mer protein shows similar structure to native sericin and higher solubility than previously obtained recombinant sericin-like proteins. Recombinant production of a soluble sericin-like protein will significantly expand its applications as a biomaterial. In addition, recombinant production of silk proteins will allow us to understand sequence-structure relationships in these proteins.
ISSN: 0885-4513
Appears in Collections:Bioengineering / Biyomühendislik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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