A: The variant NC_000020.11:g.49374653G>A in gene KCNB1 is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided|Developmental_and_epileptic_encephalopathy,_26. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0014477,MedGen:C4015119,OMIM:616056,Orphanet:442835. Review status: criteria provided, conflicting classifications.