A: The variant NC_000020.11:g.13785114del in gene NDUFAF5 is classified as 'Pathogenic/Likely_pathogenic' for not_provided|Mitochondrial_complex_1_deficiency,_nuclear_type_16. Molecular consequence: SO:0001589: frameshift_variant,SO:0001619: non-coding_transcript_variant,SO:0001623: 5_prime_UTR_variant. Variant type: Deletion. Disease database links: MedGen:C3661900|MONDO:MONDO:0032621,MedGen:C4748785,OMIM:618238. Review status: criteria provided, multiple submitters, no conflicts.