Skip to main content
. 2009 Jan 19;48(8):1378–1398. doi: 10.1002/anie.200802092

Figure 5.

Figure 5

Base pairing between nucleotides 2–8 of the siRNA (seed region) and mRNAs can lead to off‐target effects in RNAi applications. These undesired side effects can be significantly reduced by a 2′‐O‐methyl substitution of the second nucleotide (circled).