chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 141830516 141830517 C T 10 GENIC homozygous 57941772 4 141830610 141830611 A G 7 GENIC homozygous 56959692 4 141831030 141831033 TCA --- 22 GENIC homozygous 57941775