title: Phenylalanyl-tRNA synthetase of the human placenta. Evidence for different enzymatic forms in equilibrium.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D005260:Female; D006801:Humans; D007527:Isoenzymes / Q000378:metabolism*; D007700:Kinetics; D046911:Macromolecular Substances; D008433:Mathematics; D008970:Molecular Weight; D010652:Phenylalanine-tRNA Ligase / Q000378:metabolism*; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy
chemical_list: D007527:Isoenzymes; D046911:Macromolecular Substances; D000604:Amino Acyl-tRNA Synthetases; D010652:Phenylalanine-tRNA Ligase