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. 2016 Apr 19;7:8. doi: 10.1186/s13100-016-0064-x

Fig. 3.

Fig. 3

Alu retrotransposition driven by ORF2 proteins containing mutations in putative phosphorylation sites. ORF2 proteins containing mutations in the indicated putative phosphorylation sites were used to drive Alu retrotransposition in HeLa cells, as previously described [3]. ORF2 is the functional protein and ORF2 EN-RT- is a non-functional protein containing mutations in the endonuclease (D205A) and reverse transcriptase (D702A) domains. Control indicates cells transfected with an empty vector and the Alu retrotransposition reporter plasmid. The graph depicts the relative number of Alu retrotransposition events as represented by NeoR colonies (Y-axis). Asterisks indicate a statistically significant difference in Alu retrotransposition compared to ORF2 (t-test, P ≤ 0.05)