Homozygous viable. Nonsense alleles identified by amplicon sequencing. The gk5239 mutation is A->T, flanking sequences AAATTTTAAAAGACTCGGACAAATGCATCG and CATCGTGTATCTTCGAAGTTAGCCTGAAAA. The gk5240 mutation is G->A, flanking sequences ATGCTGACACCAATCACTGCCCTCTTGGAT and GACCTTCTCCACCAATACTTCTTACTGTTA.

Superficially wild type. CRISPR/Cas9 engineered STOP-IN null mutant of R12C12.6. Universal 43bp-long knock-in insertion with 3-frame stop codon (STOP-IN cassette). Left flanking sequence: GGATGCATTTCTTGCAAATTGCGACTGCCGTTA. Right flanking sequence: TGAGTCACGAAACACTGTGCTCTTAAAAGTAGTTG. Inserted sequence between the two-flanking sequence (STOP-IN cassette): GGGAAGTTTGTCCAGAGCAGAGGTGACTAAGTGATAAgctagc. sgRNA: CAGTGTTTCGTGACTCATAA. Method Reference: Wang H, et al. G3 (Bethesda). 2018 Nov 6;8(11):3607-3616.