chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 58731592 58731593 A G 2 GENIC homozygous 56911441 4 58731594 58731595 G C 3 GENIC homozygous 56911442 4 58731599 58731600 C T 3 GENIC homozygous 56911443