title: Studies on the association of beta-chain monomers of Escherichia coli tryptophan synthetase.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004058:Diffusion; D004926:Escherichia coli / Q000201:enzymology*; D006836:Hydro-Lyases; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D008970:Molecular Weight; D009994:Osmolar Concentration; D013053:Spectrophotometry; D013696:Temperature; D014364:Tryptophan; D014461:Ultracentrifugation
chemical_list: D014364:Tryptophan; D006836:Hydro-Lyases