Class I aminoacyl-tRNA synthetases (RS), catalytic domain Family

Domain Species Proteins
Tyrosyl-tRNA synthetase (TyrRS) 5 20
Tryptophanyl-tRNA synthetase (TrpRS) 5 45
Glutaminyl-tRNA synthetase (GlnRS) 2 16
Glutamyl-tRNA synthetase (GluRS) 1 18
Methionyl-tRNA synthetase (MetRS) 3 14
Isoleucyl-tRNA synthetase (IleRS) 2 6
Valyl-tRNA synthetase (ValRS) 1 6
Arginyl-tRNA synthetase (ArgRS) 2 4
Class I lysyl-tRNA synthetase 1 2
Cysteinyl-tRNA synthetase (CysRS) 1 5
Leucyl-tRNA synthetase (LeuRS) 1 3
Glutamyl-Q tRNA-Asp synthetase YadB 1 2