A: The variant NC_000020.11:g.23421401A>C in gene NAPB is classified as 'Uncertain_significance' for Developmental_and_epileptic_encephalopathy-107. Molecular consequence: SO:0001582: initiator_codon_variant,SO:0001583: missense_variant,SO:0001619: non-coding_transcript_variant,SO:0001623: 5_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0031055,MedGen:C5774215,OMIM:620033. Review status: criteria provided, single submitter.