This gene encodes a protein that transfers phenylalanine to its cognate tRNA. This protein localizes to the mitochondrion and plays a role in mitochondrial protein translation. Mutations in this gene can cause combined oxidative phosphorylation deficiency 14 (Alpers encephalopathy). Alternative splicing results in multiple transcript variants.,FARS2,COXPD14,FARS1,HSPC320,PheRS,SPG77,Epigenetics & Nuclear Signaling,Cancer,Signal Transduction,Endocrine & Metabolism,Amino acid metabolism,Nucleotide metabolism,FARS2