A: The variant NC_000021.9:g.31663804A>G in gene SOD1 is classified as 'Likely_benign' for Inborn_genetic_diseases|Amyotrophic_lateral_sclerosis_type_1|SOD1-related_disorder. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MeSH:D030342,MedGen:C0950123|MONDO:MONDO:0007103,MedGen:C1862939,OMIM:105400,Orphanet:803|.. Review status: criteria provided, multiple submitters, no conflicts.