chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 31484313 31484314 A G 19 GENIC heterozygous 623535604 15 31484316 31484317 G A 21 GENIC heterozygous 623535605 15 31484321 31484322 G A 23 GENIC heterozygous 623535606