Using an sgRNA (targeting AGGACGACGGCCCGAAGGAA) and an ssODN template (AAGTGGCTGGACAGAGGACGACGGCCCGAAAGAGGGCCTTGCAGAGTACATTGTTGAGTTTCTGAAGAAGGAAGCGGAGATGCTTGCAGACTATTTCTCTGTGGAGATCGATGAGGCGAG) with CRISPR/Cas9 technology, lysine codon 622 (AAA) was changed to glutamic acid (GAA) (c.1864A>G, p.K622E). This is the equivalent of the human p.K618E mutation. (J:324056)