Ferone, R In vitro synthesis of alpha-carboxyl-linked folylpolyglutamates by an enzyme preparation from Escherichia coli. [electronic resource] - The Journal of biological chemistry Dec 1986 - 16363-71 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Carbon RadioisotopesChromatography, High Pressure LiquidEscherichia coli--enzymologyFolic Acid--analogs & derivativesGlutamates--metabolismKineticsMass SpectrometryPeptide Synthases--isolation & purificationPteroylpolyglutamic Acids--biosynthesis