title: Isolation and crystallization of valyl-tRNA synthetase from E. coli MRE 600.
mesh_terms: D000604:Amino Acyl-tRNA Synthetases / Q000302:isolation & purification*; D002845:Chromatography; D002848:Chromatography, DEAE-Cellulose; D002852:Chromatography, Ion Exchange; D003460:Crystallization; D004355:Drug Stability; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000201:enzymology*; D006882:Hydroxyapatites; D009994:Osmolar Concentration; D011487:Protein Conformation; D013056:Spectrophotometry, Ultraviolet; D013307:Streptomycin; D013696:Temperature; D014633:Valine; D014961:X-Ray Diffraction
chemical_list: D006882:Hydroxyapatites; D000604:Amino Acyl-tRNA Synthetases; D014633:Valine; D013307:Streptomycin