title: Detection and partial purification of rapidly sedimenting forms of aminoacyl-transfer ribonucleic acid synthetases from human placenta.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000302:isolation & purification*; D002499:Centrifugation, Density Gradient; D005260:Female; D006801:Humans; D008970:Molecular Weight; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D011487:Protein Conformation
chemical_list: D000604:Amino Acyl-tRNA Synthetases