| Domain | Name | Category | Type |
| IPR002319 | Phenylalanyl-tRNA synthetase | Domain | Domain |
| IPR004529 | Phenylalanyl-tRNA synthetase, class IIc, alpha subunit | Family | Family |
| IPR006195 | Aminoacyl-tRNA synthetase, class II | Domain | Domain |
| IPR036390 | Winged helix DNA-binding domain superfamily | Family | Homologous superfamily |
| IPR040586 | PheRS DNA binding domain 2 | Domain | Domain |
| IPR040724 | PheRS, DNA binding domain 1 | Domain | Domain |
| IPR040725 | PheRS, DNA binding domain 3 | Domain | Domain |