title: Reaction of the   subunit of the Escherichia coli tryptophan synthetase with 1,5-difluoro-2,4-dinitrobenzene.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D002247:Carbon Isotopes; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D002850:Chromatography, Gel; D003545:Cysteine; D004926:Escherichia coli / Q000201:enzymology*; D005461:Fluorine; D005994:Glycerophosphates; D006836:Hydro-Lyases / Q000032:analysis / Q000037:antagonists & inhibitors; D007211:Indoles; D007700:Kinetics; D008239:Lysine; D046911:Macromolecular Substances; D008970:Molecular Weight; D009578:Nitrobenzenes; D010455:Peptides / Q000032:analysis / Q000302:isolation & purification; D012694:Serine; D013053:Spectrophotometry; D014357:Trypsin; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D005994:Glycerophosphates; D007211:Indoles; D046911:Macromolecular Substances; D009578:Nitrobenzenes; D010455:Peptides; D005461:Fluorine; D012694:Serine; D014357:Trypsin; D006836:Hydro-Lyases; D008239:Lysine; D003545:Cysteine