A: The variant NC_000021.9:g.31663782T>C in gene SOD1 is classified as 'Benign/Likely_benign' for Amyotrophic_lateral_sclerosis_type_1|not_provided. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0007103,MedGen:C1862939,OMIM:105400,Orphanet:803|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.