A: The variant NC_000019.10:g.43543606A>G in gene XRCC1 is classified as 'Uncertain_significance' for Spinocerebellar_ataxia,_autosomal_recessive_26. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0033116,MedGen:C4539948,OMIM:617633. Review status: criteria provided, single submitter.