RECOMBINANT PLASMID DNA pER-ARNS3, ENCODING FUSION PROTEIN CAPABLE OF AUTOCATALYTIC SPLITTING WITH FORMATION OF ARNS3, ESCHERICHIA COLI STRAIN C3030/pER-ARNS3 PRODUCER OF SAID PROTEINS AND METHODS FOR RECOMBINANT ARNS3 PRODUCTION Russian patent published in 2017 - IPC C12N15/63 C07K14/435 C12N1/20 C12N15/70 C12R1/19 

Abstract RU 2619170 C2

FIELD: chemistry.

SUBSTANCE: invention refers to biochemistry, namely to recombinant plasmid DNA pER-ARNS3 providing the synthesis of a hybrid polypeptide comprising ARNS3 and mini-intein Ssp DnaB, in Escherichia coli cells. The said plasmid DNA comprises BsaBI/Eco0109I-DNA plasmid fragment pTWIN-1 gene translation amplifier 10 of phage T7, NdeI/BamHI-DNA fragment containing the mini-intein gene Ssp DnaB and sequence of ARNS3 recombinant gene adapted to these sites. The plasmid also contains a b-lactamase gene that determines the resistance of E. coli cells transformed by plasmid pER-ARNS3 to penicillin antibiotics, as a genetic marker and unique restriction endonuclease recognition sites. This invention also discloses a strain of Escherichia coli C3030/pER-ARNS3, producing the said fusion polypeptide. This invention also discloses a method for production of the said ARNS3 recombinant protein, comprising culturing of the said strain of Escherichia coli C3030/pER-ARNS3.

EFFECT: invention provides recombinant ARNS3 with high yield according to a simplified technology.

3 cl, 4 dwg, 4 ex

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RU 2 619 170 C2

Authors

Esipov Roman Stanislavovich

Makarov Dmitrij Aleksandrovich

Stepanenko Vasilij Nikolaevich

Andreev Yaroslav Alekseevich

Kozlov Sergej Aleksandrovich

Grishin Evgenij Vasilevich

Dates

2017-05-12Published

2015-09-18Filed