Erratum To: Protein Cell DOI 10.1007/s13238-016-0343-9

In the original publication of this article the Figure 1E legend has been incorrectly published.

The authors would like to request the following replacement to the Figure 1E legend:

T7E1 assay of NgAgo targeting EMX1 and HBA2 using 293T cells. 1, Marker; 2 and 6, Transfection control using a GFP expression vector; 3, 4 and 5 transfected with G27, G28 or G29 and NgAgo for EMX1. 7, 8 and 9 transfected with G37, G38 or G39 and NgAgo for HBA2.