title: Two enzymatically active forms of valyl-tRNA-synthetase from E. coli.
mesh_terms: D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D002845:Chromatography; D002850:Chromatography, Gel; D011756:Diphosphates / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology*; D007527:Isoenzymes / Q000302:isolation & purification / Q000378:metabolism*; D007700:Kinetics; D046911:Macromolecular Substances; D008968:Molecular Conformation; D008970:Molecular Weight; D013307:Streptomycin; D014637:Valine-tRNA Ligase / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D011756:Diphosphates; D007527:Isoenzymes; D046911:Macromolecular Substances; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D014637:Valine-tRNA Ligase; D013307:Streptomycin