A: The variant NC_000021.9:g.43774109T>C in gene CSTB is classified as 'Likely_benign' for not_provided|Unverricht-Lundborg_syndrome. Molecular consequence: SO:0001624: 3_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0009698,MedGen:C0751785,OMIM:254800,Orphanet:308. Review status: criteria provided, multiple submitters, no conflicts.