...Commonly used cloning vectors include Gateway entry vectors and TOPO cloning vectors. Empty Backbones , ...of protein or RNA produced. Expression vectors can drive expression in various cell types (mammalian, .... In expression plasmids, the MCS is often located downstream from a promoter to drive expression of the...control the level of insert expression, as a strong promoter directs high expression, whereas weaker promoters..., Cloning Kits Expression Plasmids Used for gene expression, usually for the purposes of gene study. Expression... Expression vectors must contain a promoter sequence, a transcription terminator sequence, and the inserted...inserted gene. An expression vector can also include an enhancer sequence which increases the amount of...