chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 135481290 135481291 C T 52 GENIC homozygous 71157826 4 135482690 135482691 C A 42 GENIC homozygous 71157832 4 135484310 135484311 T C 26 GENIC homozygous 71157835