Production of an E coli toxin protein Colicin A in E coli using aninducible system
Yazarlar (2)
Prof. Dr. İsa GÖKÇE
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale |
| Dergi Adı | Turkish Journal of Chemistry |
| Dergi ISSN | 1300-0527 Wos Dergi Scopus Dergi |
| Dergi Tarandığı Indeksler | SCI-Expanded |
| Dergi Grubu | Q4 |
| Makale Dili | İngilizce |
| Basım Tarihi | 01-2003 |
| Cilt No | 27 |
| Sayı | 3 |
| Sayfalar | 323 / 331 |
| Özet |
| Colicins are bacterial toxins that kill Escherichia coli and related cells; their mode of action is of interest in protein import and toxicology. Colicins translocate across the E. coli outer membrane and periplasm by interacting with several receptors. This translocation process involves interaction of the colicin with the outer membrane porin OmpF and subsequently with the integral membrane protein TolA. The N-terminal domain of colicin N is involved in the import process. Our aim was to produce a large quantity of colicin A for functional and structural studies. It is a prerequisite to have a correctly folded and stable protein for these studies. The commonly utilised expression system uses the Lex A promoter, which requires induction with toxic mitomycin C, though the yield is low. Here we present the production of an E. coli toxin and its immunity protein in E. coli using a safe inducible promoter. |
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