ttype patient gene classification type chr pos ref_allele newbase context65 cons46 BRCA TCGA-A2-A25E HIST1H2AI SNP Missense_Mutation 6 27776320 C A 17 69 BRCA TCGA-A7-A0CH HIST1H2AI SNP Missense_Mutation 6 27776209 C G 17 97 BRCA TCGA-A8-A07L HIST1H2AI SNP Nonsense_Mutation 6 27776369 A T 9 87 HNSC TCGA-CN-6011 HIST1H2AI SNP Missense_Mutation 6 27776351 G C 37 94