A: The variant NC_000019.10:g.35651225G>A in gene COX6B1 is classified as 'Likely_benign' for not_specified|Mitochondrial_complex_4_deficiency,_nuclear_type_7. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0033637,MedGen:C5436685,OMIM:619051. Review status: criteria provided, multiple submitters, no conflicts.