AARS2

Alanyl—tRNA synthetase, mitochondrial, also known as alanine—tRNA ligase (AlaRS) or alanyl—tRNA synthetase 2 (AARS2), is an enzyme that in humans is encoded by the "AARS2" gene.
Clinical relevance.
Mutations in the AARS2 gene result in infantile mitochondrial cardiomyopathies.