chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 26471507 26471508 T C 41 GENIC homozygous 112562565 4 26471599 26471600 C T 40 GENIC homozygous 112562567 4 26473948 26473949 T C 45 GENIC homozygous 112562569