chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 157231372 157231373 G A 25 GENIC homozygous 113184483 4 157232854 157232855 T G 33 GENIC homozygous 113184484 4 157234714 157234715 T C 28 GENIC homozygous 112905885