chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 154510513 154510514 T C 28 GENIC heterozygous 57523552 4 154581268 154581269 A G 10 GENIC heterozygous 56991010 4 154583152 154583153 C T 44 GENIC heterozygous 60404004