Viral Vectors 101: Parts of the AAV Packaging Plasmid
Type
Blog Post
Published
Dec. 3, 2020, 2:15 p.m.
...plasmid aka the RepCap plasmid encodes two genes: the replication (rep) gene and the capsid (cap) gene. In ...into a capsid other than AAV2. This production strategy is called cross-packaging.
Capsid (cap) gene
...take a closer look at the rep and cap genes.
Figure 1. The RepCap plasmid and its products. Created...gene
The cap gene encodes three AAV viral capsid proteins VP1, VP2, and VP3, which together form the outer...outer capsid shell that protects the viral genome. The cap gene is often driven by the AAV p40 promoter....variable loops is one method for changing a capsid’s tropism.
cap also encodes the Assembly-Activating Protein...recombinant AAV (rAAV) is made in the lab, rep and cap are expressed from a separate plasmid in trans, freeing...