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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
1981
I describe a radioimmunoassay for specific determination of pteroylglutamate in plasma, erythrocytes, and urine. Antiserum was… 
1951
1951
Summary Folic acid analogs were introduced over the chorioallantoic membrane and area vasculosa of 12-day embryonated eggs having… 
1950
1950
S EEGERS et synthesized N-[4[(2.,4-diamino-6-pteridyl)-methyl]-amino benzoyl]-glutamic acid, (4-amino-pteroylglutamic acid, or… 
1947
1947
The isolation, identification, and synthesis of pteroylglutamic acid from liver have been described; simultaneously the isolation…