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aspartate + tRNA(Asp) + ATP => Asp-tRNA(Asp) + AMP + pyrophosphate

Stable Identifier
R-HSA-380229
Type
Reaction
Species
Homo sapiens
Compartment
Locations in the PathwayBrowser
Summation

DARS2 (mitochondrial aspartyl tRNA synthetase) catalyzes the reaction of aspartate, mitochondrial tRNA(Asp), and ATP to form Asp tRNA(Asp), AMP, and pyrophosphate. The enzyme, a class II tRNA synthetase, is a homodimer (Bonnefond et al. 2005). Homozygosity for DARS2 mutations is associated with leukoencephalopathy with brainstem and spinal cord involvement plus lactate elevation (Scheper et al 2007).

Participants
Participant Of
Catalyst Activity
Catalyst Activity
Title
aspartate-tRNA ligase activity of DARS2 dimer [mitochondrial matrix]
Physical Entity
Activity
Orthologous Events