To generate Ppil1 N-terminal HA epitope knockin mice, synthesized crRNA (0.6 μM) targeting GATACCTTCGCTCAGCATGG was co-injected with tracrRNA (0.6 uM, IDT DNA), Cas9 protein, and single-strand repair DNA (CCGGGTTAACTCCGCCGGAAGTAGTGATTGCTAGCGGGGGGGATACCTTCGCTCAGCATGTACCCATACGATGTTCCAGATTACGCT...