A: The variant NC_000020.11:g.45420662C>T in gene PIGT is classified as 'Likely_benign' for Multiple_congenital_anomalies-hypotonia-seizures_syndrome_3. Molecular consequence: SO:0001619: non-coding_transcript_variant,SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014165,MedGen:C3809356,OMIM:615398,Orphanet:369837. Review status: criteria provided, single submitter.