A: The variant NC_000021.9:g.34449477A>G in gene KCNE1 is classified as 'not_provided' for Long_QT_syndrome_5|Congenital_long_QT_syndrome. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0013372,MedGen:C1867904,OMIM:613695,Orphanet:101016,Orphanet:768|MONDO:MONDO:0019171,MedGen:C1141890,OMIM:PS192500,Orphanet:101016,Orphanet:768. Review status: no classification provided.