A: The variant NC_000021.9:g.31668563T>G in gene SOD1 is classified as 'Likely_pathogenic' for Amyotrophic_lateral_sclerosis. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: Human_Phenotype_Ontology:HP:0007354,MONDO:MONDO:0004976,MedGen:C0002736,Orphanet:803. Review status: criteria provided, single submitter.