GO:0005737

Tyrosine--tRNA ligase
Threonine--tRNA ligase
Serine--tRNA ligase
Arginine--tRNA ligase
Proline--tRNA ligase
Asparagine--tRNA ligase
Leucine--tRNA ligase
Isoleucine--tRNA ligase
Histidine--tRNA ligase
Glycine--tRNA ligase beta subunit