CRISPR/Cas9 techinology using guide RNA (CCCCAGCCTGCCACATCAGACGG), SpCas9, and a 127 bp single-stranded mutagenic oligo introduce a c.1876 G to A transversion (NM_004456.4). The resultant GTG to ATG bp (V626M aa) substitution in exon 16 of the gene is confirmed through sequencing. (J:267184)