10.7554/eLife.24635.004Figure 1—figure supplement 2.DNA sequence of the shhact allele.(A) DNA sequence at the 5′ end of the LA homology sequence of pZwitch-shha-int1. (B) DNA sequence at the 3′ end of the RA homology sequence of pZwitch-shha-int1.DOI: http://dx.doi.org/10.7554/eLife.24635.004