This Vsx2 enhancer was targeted with sgRNAs (ACAGCUAAUUAGAAGCCUAC and CCUGCCGAUAAUGCUUAAUU) and an ssODN template (CCCACACAATGGTCTGCTTTGTGCCCACCTGCCGATAATGCTTAGGCGAGGAGTTGATTAATTTGAGGTAATTGACAGCTAGAAGCCTACAGGCTCATTAACTTGACATCTTGTCTTTGTGAATTGG) using CRISPR/Cas9 technology, resulting in the deletion of both Vsx2 consensus binding sites. (J:328714)