title: Methionine synthetase. Existence and interconversion of two enzyme species.
mesh_terms: D002850:Chromatography, Gel; D004926:Escherichia coli / Q000201:enzymology; D005492:Folic Acid; D046911:Macromolecular Substances; D008715:Methionine; D008970:Molecular Weight; D009705:Nucleosides; D013057:Spectrum Analysis; D013997:Time Factors; D014166:Transferases / Q000302:isolation & purification
chemical_list: D046911:Macromolecular Substances; D009705:Nucleosides; D005492:Folic Acid; D008715:Methionine; D014166:Transferases