Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Leucine--tRNA ligase, cytoplasmic; Cytosolic leucyl tRNA synthetase; ligates leucine to the appropriate tRNA; human homolog LARS can complement yeast temperature-sensitive mutant at restrictive temperature.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Asparagine--tRNA ligase, cytoplasmic; Cytosolic asparaginyl-tRNA synthetase; required for protein synthesis, catalyzes the specific attachment of asparagine to its cognate tRNA; Belongs to the class-II aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Serine--tRNA ligase, mitochondrial; Probable mitochondrial seryl-tRNA synthetase; mutant displays increased invasive and pseudohyphal growth; Belongs to the class-II aminoacyl-tRNA synthetase family. Type-1 seryl-tRNA synthetase subfamily.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Glutamine--tRNA ligase; Glutamine tRNA synthetase; monomeric class I tRNA synthetase that catalyzes the specific glutaminylation of tRNA(Gln); N-terminal domain proposed to be involved in enzyme-tRNA interactions; Belongs to the class-I aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Histidine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial histidine tRNA synthetase; efficient mitochondrial localization requires both a presequence and an amino-terminal sequence; mutations in human ortholog HARS2 are associated with Perrault syndrome; Belongs to the class-II aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Isoleucine--tRNA ligase, cytoplasmic; Cytoplasmic isoleucine-tRNA synthetase; target of the G1-specific inhibitor reveromycin A.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Isoleucine--tRNA ligase, mitochondrial; Mitochondrial isoleucyl-tRNA synthetase; null mutant is deficient in respiratory growth; human homolog IARS2 implicated in mitochondrial diseases, can partially complement yeast null mutant.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Lysine--tRNA ligase, cytoplasmic; Lysyl-tRNA synthetase.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Methionine--tRNA ligase, cytoplasmic; Methionyl-tRNA synthetase; forms a complex with glutamyl-tRNA synthetase (Gus1p) and Arc1p, which increases the catalytic efficiency of both tRNA synthetases; also has a role in nuclear export of tRNAs; mutations in human ortholog MARS are associated with pediatric pulmonary alveolar proteinosis.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Lysine--tRNA ligase, mitochondrial; Mitochondrial lysine-tRNA synthetase; required for import of both aminoacylated and deacylated forms of tRNA(Lys) into mitochondria and for aminoacylation of mitochondrially encoded tRNA(Lys).

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Methionine--tRNA ligase, mitochondrial; Mitochondrial methionyl-tRNA synthetase (MetRS); functions as a monomer in mitochondrial protein synthesis; functions similarly to cytoplasmic MetRS although the cytoplasmic form contains a zinc-binding domain not found in Msm1p.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Arginine--tRNA ligase, mitochondrial; Mitochondrial arginyl-tRNA synthetase; mutations in human ortholog are associated with pontocerebellar hypoplasia type 6; MSR1 has a paralog, YDR341C, that arose from the whole genome duplication; Belongs to the class-I aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Threonine--tRNA ligase, mitochondrial; Mitochondrial threonyl-tRNA synthetase; aminoacylates both the canonical threonine tRNA tT(UGU)Q1 and the unusual threonine tRNA tT(UAG)Q2 in vitro; lacks a typical editing domain, but has pre-transfer editing activity stimulated by the unusual tRNA-Thr.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Tryptophan--tRNA ligase, mitochondrial; Mitochondrial tryptophanyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Tyrosine--tRNA ligase, mitochondrial; Mitochondrial tyrosyl-tRNA synthetase.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Leucine--tRNA ligase, mitochondrial; Mitochondrial leucyl-tRNA synthetase; also has direct role in splicing of several mitochondrial group I introns; indirectly required for mitochondrial genome maintenance; human homolog LARS2 can complement yeast null mutant, and is implicated in Perrault syndrome; Belongs to the class-I aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Serine--tRNA ligase, cytoplasmic; Cytosolic seryl-tRNA synthetase; class II aminoacyl-tRNA synthetase that aminoacylates tRNA(Ser), displays tRNA-dependent amino acid recognition which enhances discrimination of the serine substrate, interacts with peroxin Pex21p.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Asparagine--tRNA ligase, mitochondrial; Mitochondrial asparaginyl-tRNA synthetase.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Tyrosine--tRNA ligase, cytoplasmic; Cytoplasmic tyrosyl-tRNA synthetase; required for cytoplasmic protein synthesis; interacts with positions 34 and 35 of the tRNATyr anticodon; mutations in human ortholog YARS are associated with Charcot-Marie-Tooth (CMT) neuropathies; human ortholog YARS functionally complements the heat sensitivity of a ts allele; protein abundance increases in response to DNA replication stress; Belongs to the class-I aminoacyl-tRNA synthetase family.

Alanine--tRNA ligase, mitochondrial; Cytoplasmic and mitochondrial alanyl-tRNA synthetase; required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog AARS; mutations in human homolog AARS are associated with autoimmune disease polymyositis/dermatomyositis; Belongs to the class-II aminoacyl-tRNA synthetase family.

Tryptophan--tRNA ligase, cytoplasmic; Cytoplasmic tryptophanyl-tRNA synthetase; aminoacylates tryptophanyl-tRNA; human homolog WARS can complement yeast null mutant; Belongs to the class-I aminoacyl-tRNA synthetase family.