Table 5.

Selected Pathogenic Variants in Mitochondrial DNA-Associated Leigh Syndrome, Leigh-Like Syndrome, and NARP

Mitochondrial DNA
Nucleotide Change
GenePredicted Protein ChangeReference Sequence
m.3243A>G MT-TL1 Not applicable NC_012920​.1
m.3460G>A MT-ND1 p.Ala52Thr
m.3481G>Ap.Glu59Lys
m.3890G>Ap.Arg195Gln
m.4681T>C MT-ND2 p.Leu71Pro
m.5523T>G MT-TW Not applicable
m.5537_5538insTNot applicable
m.5559A>GNot applicable
m.8344A>G MT-TK Not applicable
m.8363G>ANot applicable
m.8851T>C MT-ATP6 p.Trp109Arg
m.8993T>Gp.Leu156Arg
m.8993T>Cp.Leu156Pro
m.9176T>Cp.Leu217Pro
m.9176T>Gp.Leu271Arg
m.9185T>Cp.Leu220Pro
m.9191T>Cp.Leu222Pro
m.9478T>C MT-CO3 p.Val91Ala
m.9537_9538insCFrameshift
m.10158T>C MT-ND3 p.Ser34Pro
m.10191T>Cp.Ser45Pro
m.10197G>Ap.Ala47Thr
m.10254G>Ap.Asp66Asn
m.11777C>A MT-ND4 p.Arg340Ser
m.11984T>Cp.Tyr409His
m.12706T>C MT-ND5 p.Phe124Leu
m.13513G>Ap.Asp393Asn
m.13514A>Gp.Asp393Gly
m.14484T>C MT-ND6 p.Met64Val
m.14459G>Ap.Ala72Val
m.14487T>Cp.Met63Val
m.1624C>T MT-TV Not applicable
m.1644G>TNot applicable

Variants listed in the table have been provided by the authors. GeneReviews staff have not independently verified the classification of variants.

GeneReviews follows the standard naming conventions of the Human Genome Variation Society (varnomen​.hgvs.org). See Quick Reference for an explanation of nomenclature.

See MITOMAP for details of mitochondrial genome and allelic variants.

From: Mitochondrial DNA-Associated Leigh Syndrome and NARP

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