Human Betaine–Homocysteine Methyltransferase Is a Zinc Metalloenzyme

Studies on plant amylases

1932 • 727 citations

Human methionine synthase: cDNA cloning and identification of mutations in patients of the cblG complementation group of folate/cobalamin disorders

1996 • 399 citations

Simple alkanethiol groups for temporary blocking of sulfhydryl groups of enzymes

1975 • 311 citations

Purification, Kinetic Properties, and cDNA Cloning of Mammalian Betaine-Homocysteine Methyltransferase

1996 • 236 citations

Human Methionine Synthase

1997 • 181 citations

Cobalamin-Dependent Methionine Synthase Is a Modular Protein with Distinct Regions for Binding Homocysteine, Methyltetrahydrofolate, Cobalamin, and Adenosylmethionine

1997 • 155 citations

Cloning, mapping and RNA analysis of the human methionine synthase gene

1996 • 144 citations

Cobalamin-Independent Methionine Synthase from Escherichia coli: A Zinc Metalloenzyme

1996 • 129 citations

Methionine metabolism in mammals: Kinetic study of betaine-homocysteine methyltransferase

1972 • 123 citations

Cobalamin-Dependent Methionine Synthase from Escherichia coli: Involvement of Zinc in Homocysteine Activation

1997 • 99 citations

Regulation of Hepatic Betaine-Homocysteine Methyltransferase by Dietary Betaine

1983 • 95 citations

Regulation of the betaine content of rat liver

1982 • 71 citations

Homocysteine in tissues of the mouse and rat.

1984 • 68 citations

The synthesis of methionine by enzymic transmethylation I. Purification and properties of thetin homocysteine methylpherase

1957 • 67 citations

Human hepatic methionine biosynthesis. Purification and characterization of betaine:homocysteine S-methyltransferase.

1982 • 66 citations

Hepatic betaine-homocysteine methyltransferase activity in the chicken is influenced by dietary intake of sulfur amino acids, choline and betaine.

1996 • 63 citations

A simplified procedure for the determination of betaine in liver

1979 • 51 citations

Betaine:Homocysteine methyltransferase from rat liver: Purification and inhibition by a boronic acid substrate analog

1992 • 47 citations

Changes in Protonation Associated with Substrate Binding and Cob(I)alamin Formation in Cobalamin-Dependent Methionine Synthase

1997 • 46 citations

Diet-Induced Changes in Hepatic Betaine-Homocysteine Methyltransferase Activity Are Mediated By Changes in the Steady-State Level of Its mRNA

1997 • 45 citations

Enzymatic determination of betaine in rat tissues

1981 • 43 citations

A method for the determination of betaine in tissues using high performance liquid chromatography

1995 • 28 citations

Evidence for direct methyl transfer in betaine: homocysteine S-methyl-transferase.

1983 • 18 citations

On the purification and kinetics of rat liver thetin-homocysteine transmethylase

1959 • 15 citations

Betaine-homocysteine S-methyltransferase (human)

1987 • 12 citations