| IPR045864 | Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) | Homologous Superfamily |
| IPR002319 | Phenylalanyl-tRNA synthetase | Domain |
| IPR004188 | Phenylalanine-tRNA ligase, class II, N-terminal | Domain |
| IPR004529 | Phenylalanyl-tRNA synthetase, class IIc, alpha subunit | Family |
| IPR022911 | Phenylalanine-tRNA ligase alpha chain 1, bacterial | Family |
| IPR006195 | Aminoacyl-tRNA synthetase, class II | Domain |
| IPR010978 | Class I and II aminoacyl-tRNA synthetase, tRNA-binding arm | Homologous Superfamily |
| IPR009061 | Putative DNA-binding domain superfamily | Homologous Superfamily |
| IPR045060 | Phenylalanine-tRNA ligase, class IIc, beta subunit | Family |
| IPR020825 | Phenylalanyl-tRNA synthetase-like, B3/B4 | Homologous Superfamily |
| IPR045864 | Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) | Homologous Superfamily |
| IPR002547 | tRNA-binding domain | Domain |
| IPR005147 | tRNA synthetase, B5-domain | Domain |
| IPR005146 | B3/B4 tRNA-binding domain | Domain |
| IPR041616 | Phenylalanyl tRNA synthetase beta chain, core domain | Domain |
| IPR033714 | Phenylalanly tRNA synthetase, tRNA-binding-domain | Domain |
| IPR005121 | Ferrodoxin-fold anticodon-binding domain | Domain |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR036690 | Ferrodoxin-fold anticodon-binding domain superfamily | Homologous Superfamily |
| IPR004532 | Phenylalanine-tRNA ligase, class IIc, beta subunit, bacterial type | Family |