BIOPTERIN V. DE NOVO SYNTHESIS OF DIHYDROBIOPTERIN: EVIDENCE FOR ITS QUINONOID STRUCTURE AND LACK OF DEPENDENCE OF ITS REDUCTION TO TETRAHYDROBIOPTERIN ON DIHYDROFOLATE REDUCTASE

ENZYMATIC REDUCTION OF FOLIC ACID AND DIHYDROFOLIC ACID TO TETRAHYDROFOLIC ACID

1957 • 416 citations

The Isolation and Characterization of Dihydropteridine Reductase from Sheep Liver

1972 • 256 citations

Inhibition of Dihydrofolic Reductase by Aminopterin and Amethopterin.

1958 • 217 citations

Studies on the Structure of the Primary Oxidation Product Formed from Tetrahydropteridines during Phenylalanine Hydroxylation

1964 • 214 citations

Metabolism of the Phenylalanine Hydroxylation Cofactor

1967 • 179 citations

The Nature of the Primary Oxidation Product Formed from Tetrahydropteridines during Phenylalanine Hydroxylation

1961 • 118 citations

Biopterin

1978 • 85 citations

Rapid nonisotopic assay of tryptophan-5-hydroxylase activity in tissues

1973 • 79 citations

Rearrangement of quinonoid dihydropteridines to 7,8-dihydropteridines

1970 • 61 citations

Lack of dihydrofolate reductase activity in brain tissue of mammalian species: possible implications¹

1973 • 54 citations

Studies on sepiapterin reductase: Further characterization of the reaction product

1968 • 46 citations

Biopterin

1976 • 39 citations

Identification of dihydrofolate reductase in rabbit brain

1977 • 31 citations

Biopterin

1976 • 27 citations

Effects of intraventricuear p-chloroamphetamine and its analogues on cerebral 5-HT

1975 • 19 citations

Rapid Isolation and Quantitation of Biopterin, Neopterin, and Their Guanine Ribotide Precursor from Biological Samples

1977 • 14 citations

The development and regional distribution of dihydrofolate reductase in rabbit brain

1977 • 14 citations

Tetrahydrobiopterin synthesis by rabbit brain dihydrofolate reductase

1978 • 13 citations

Quinonoid dihydropterin reductase-I

1978 • 11 citations

Mammalian brain dihydrofolate reductase¹

1977 • 8 citations

Mechanism of Reduction of Dihydrofolate to Tetrahydrofolate

1967 • 7 citations

A fluorometric assay for dihydrofolate reductase

1977 • 7 citations