A: The variant NC_000020.11:g.49373552G>A in gene KCNB1 is classified as 'Likely_benign' for Developmental_and_epileptic_encephalopathy,_26|Neurodevelopmental_abnormality. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014477,MedGen:C4015119,OMIM:616056,Orphanet:442835|Human_Phenotype_Ontology:HP:0012759,MedGen:C4022737. Review status: criteria provided, single submitter.