title: Chemical and physical studies on the structure of the histidyl transfer ribonucleic acid synthetase from Salmonella typhimurium.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000604:Amino Acyl-tRNA Synthetases / Q000302:isolation & purification*; D002850:Chromatography, Gel; D002854:Chromatography, Paper; D004355:Drug Stability; D004590:Electrophoresis, Paper; D004591:Electrophoresis, Polyacrylamide Gel; D005615:Freezing; D006146:Guanidines; D006639:Histidine; D007525:Isoelectric Focusing; D046911:Macromolecular Substances; D008970:Molecular Weight; D010446:Peptide Fragments / Q000032:analysis; D011487:Protein Conformation; D011489:Protein Denaturation; D012486:Salmonella typhimurium / Q000201:enzymology*; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014316:Tritium; D014357:Trypsin; D014461:Ultracentrifugation; D014508:Urea
chemical_list: D000596:Amino Acids; D006146:Guanidines; D046911:Macromolecular Substances; D010446:Peptide Fragments; D014316:Tritium; D006639:Histidine; D014508:Urea; D014357:Trypsin; D000604:Amino Acyl-tRNA Synthetases