Part:BBa_K2381012

3'-OriC gRNA

It’s a gRNA plasmid which helps our CRISPR-System target to the MG1655 OriC sequence in order to achieve our expectation this year. Its backbone is taken from iGEM Kit Plate named BBa_K165005, but the BsaI restriction site which was in Amp. coding sequence has been deleted and a synonymous mutation has occurred by overlapping PCR. We used J23119 promoter, a high-intensity promoter, to obtain a higher expression of gRNA than dCas9. The 21bp-sequence comes after is a kind of sequence types taken from the article that is complementary to the Oric sequence and has a nice effect on our project. The full length gRNA scaffold is also designed after consulting literatures.