Using an sgRNA (targeting AGGACGACGGCCCGAAGGAA) and an ssODN template (AAGTGGCTGGACAGAGGACGACGGCCCGAAAGAGGGCCTTGCAGAGTACATTGTTGAGTTTCTGAAGAAGACAGCGGAGATGCTTGCAGACTATTTCTCTGTGGAGATCGATGAGGCGAG) with CRISPR/Cas9 technology, lysine codon 622 (AAA) was changed to threonine (ACA) (c.1865A>C, p.K622T). This is the equivalent of the human p.K618T mutation. (J:324056)