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. 2020 May 15;13:76. doi: 10.3389/fnmol.2020.00076

Figure 1.

Figure 1

Schematic representation of the CAV-2 construct. CAV-2 vector genomes (~32 kbp) are flanked by an inverted terminal repeat (ITR) of ~200 bp. “pChAT-eGFP-WRPE-pA” is the expression cassette that replaces the E1 region in the CAV-2 genome. “pChAT” is the promoter driving expression of choline acetylase gene, GFP is the optimized open reading frame (ORF) for green fluorescent protein (GFP) from jellyfish, WRPE is a sequence from a woodchuck hepatitis virus that increases mRNA stability and protein yield when placed 3′ to an ORF, and pA is the polyadenylation signal from human growth hormone gene (GH1). The CAV-2 E3 region is also deleted (ΔE3) to increase the packaging capacity.