Predicted to enable phenylalanine-tRNA ligase activity. Predicted to be involved in phenylalanyl-tRNA aminoacylation and protein heterotetramerization. Predicted to be part of phenylalanine-tRNA ligase complex. Orthologous to human FARSB (phenylalanyl-tRNA synthetase subunit beta). [provided by Alliance of Genome Resources, Apr 2022]