Fig. 2From: A novel MTTT mutation m.15933G > A revealed in analysis of mitochondrial DNA in patients with suspected mitochondrial diseaseThe m.15933G > A mutation in MTTT. a Invariable nucleotides among 135 mammal species in MTTT according to sequence alignment in Mamit tRNA [24]. b Human polymorphisms and pathogenic mutations in MTTT. Polymorphisms are marked with white circles, black circles denote confirmed pathogenic mutations and undetermined variants are marked with a white square ([24, 42])Back to article page