chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 164517246 164517247 T C 19 GENIC heterozygous 57009220 4 164517464 164517465 A T 22 GENIC heterozygous 57009223 4 164519467 164519468 T C 45 GENIC heterozygous 57009227