Plasmids 101: Multicistronic Vectors
Type
Blog Post
...
pC5Kan-P2A
P2A
Insect
pUltra
P2A and T2A
Lentiviral
Ac5-STABLE2-neo
T2A
Insect
For the co-expression...vectors simultaneously express two or more separate proteins from the same mRNA. We've discussed promoters ... detect your gene of interest, scientists have instead developed novel methods to co-express your gene...IRES Elements
Translation in eukaryotes usually begins at the 5’ cap so that only a single translation...site, thereby resulting in co-expression of two proteins from a single mRNA.
IRES was originally discovered...between your genes of interest and you can then insert the whole multicistronic cassette into a backbone...Although it is recommended to use the 2A peptides instead of an IRES when stoichiometrically equivalent levels...