pteropterin

Known as: pteroyl-gamma-glutamyl-gamma-glutamylglutamic acid, pteroyltriglutamic acid

A crystalline conjugate of folic acid, having general properties of a polypeptide. Pteropterin differs from folic acid in that it consists of three…

National Institutes of Health

Papers overview

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1981

I describe a radioimmunoassay for specific determination of pteroylglutamate in plasma, erythrocytes, and urine. Antiserum was…

1964

In 1954, Albert (2) suggested that purmes may be biological precursors of pteridine compounds. This suggestion was made as a…

1963

Mattheis, Martha S. (University of Kansas, Lawrence), M. Silverman, and D. Paretsky. Studies on the physiology of rickettsiae. IV…

1961

1955

Summary Bacillus coagulans No. 3084, growing optimally at 55°C, has a nutritional requirement which is satisfied by PAB, PGA…

1951

Summary Folic acid analogs were introduced over the chorioallantoic membrane and area vasculosa of 12-day embryonated eggs having…

1948

1948

1947

The isolation, identification, and synthesis of pteroylglutamic acid from liver have been described; simultaneously the isolation…

1947