chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 231909383 231909384 C CT 48 GENIC heterozygous 57658404 4 231922786 231922787 C T 33 GENIC heterozygous 57658422 4 231922937 231922938 G T 9 GENIC heterozygous 59869084