PLASMID FOR EXPRESSION IN CELL OF CHINESE HAMSTER, CELL OF CHINESE HAMSTER - PROTEIN PRODUCER WITH Gla-DOMAIN, AND METHOD FOR OBTAINING PROTEIN WITH Gla-DOMAIN Russian patent published in 2014 - IPC C07K14/435 C12N5/10 C12N15/12 C12N15/63 C12P21/02 

FIELD: biotechnologies.

SUBSTANCE: invention proposes a constructed plasmid for expression in a cell of a Chinese hamster, in the following sequence, which mainly contains the following elements: pUC plasmid replication beginning region; an open reading frame (ORF) of beta-lactamase providing immunity to ampicillin; procaryotic gene promoter bla; a section of terminal repetition of Epstein-Barr virus of a human being; a functional gene promoter of elongation factor 1 alpha of the Chinese hamster, 5' non-translated region of this gene and a non-transcribed region flanking this gene, coding Kozak sequence for cap-dependent initiation of translation; ORF of the gene of subunit 1 of complex of 2,3-epoxyreductase of vitamin K (VKORC1) of the Chinese hamster with stop codon; a functional terminator and a signal of polyadenilation of the gene of elongation factor 1 alpha of the Chinese hamster, 3' non-translated region of this gene and a non-transcribed region flanking this gene; a promoter of early genes of virus SV40; gene of immunity to a selective agent; and a polyadenilation signal and terminator of virus SV40. Cells of the Chinese hamster - producer of protein with Gla-domain are transformed by the obtained plasmid, which are used in a method of recombinant obtainment of proteins with Gla-domain.

EFFECT: invention allows increasing productivity of the above cells owing to increasing activity of native VKORC1.

12 cl, 12 dwg, 2 tbl, 8 ex