Biological Activity of Pseudovitamin B12 on Cobalamin-Dependent Methylmalonyl-CoA Mutase and Methionine Synthase in Mammalian Cultured COS-7 Cells

T Bito, M Bito, T Hirooka, N Okamoto, N Harada… - Molecules, 2020 - mdpi.com
… B 12 -dependent enzymes methionine synthase and methylmalonyl-… methionine synthase
in cultured cells, pseudovitamin B 12 does not activate the translation of methionine synthase, …

Methylenetetrahydrofolate reductase and methionine synthase: biochemistry and molecular biology

RG Matthews, C Sheppard, C Goulding - European journal of pediatrics, 1998 - Springer
Methionine synthase catalyzes a methyl transfer from methyltetrahydrofolate to homocysteine,
… by methionine synthase is the terminal reaction in the de novo biosynthesis of methionine; …

The biological significance of methionine sulfoxide stereochemistry

BC Lee, VN Gladyshev - Free Radical Biology and Medicine, 2011 - Elsevier
… For example, inhibition of methionine synthase (MS) activity leads to accumulation of … In
addition, the activity of cystathionine-β-synthase (CBS) may be stimulated to generate Cys from …

Structural analysis of a fungal methionine synthase with substrates and inhibitors

D Ubhi, G Kago, AF Monzingo, JD Robertus - Journal of Molecular Biology, 2014 - Elsevier
… A closed methionine synthase structure remains to be seen; however, in this study, we have
characterized the ligand-bound opened conformation that we will target by drug design. The …

The effect of ethanol and its metabolites upon methionine synthase activity in vitro

SH Kenyon, A Nicolaou, WA Gibbons - Alcohol, 1998 - Elsevier
methionine synthase activity is required for biological methylations and polyamine production,
via the production of methionine and … Impairment of methionine synthase activity has been …

Cobalamin‐dependent methionine synthase

RV Banerjee, RG Matthews - The FASEB journal, 1990 - Wiley Online Library
… , or inhibition of methionine synthase by exposure to nitrous oxide, leads to diminished
activity of this enzyme. In humans, severe inhibition of methionine synthase results in the …

Design, synthesis and biological activity of N5-substituted tetrahydropteroate analogs as non-classical antifolates against cobalamin-dependent methionine synthase …

M Wang, C Tian, L Xue, H Li, J Cong, F Fang… - European Journal of …, 2020 - Elsevier
Cobalamin-dependent methionine synthase (MetH) is involved in the process of tumor cell
growth and survival. In this study, a novel series of N 5 -electrophilic substituted …

Mechanism-based design, synthesis and biological studies of N5-substituted tetrahydrofolate analogs as inhibitors of cobalamin-dependent methionine synthase and …

Z Zhang, C Tian, S Zhou, W Wang, Y Guo, J Xia… - European journal of …, 2012 - Elsevier
… mechanism of methionine synthase, and their biological activities were investigated as well.
Compounds (11b, 12b and 16) showed the most active against methionine synthase (IC 50 : …

Nitric oxide inhibits methionine synthase activity in vivo and disrupts carbon flow through the folate pathway

IO Danishpajooh, T Gudi, Y Chen… - Journal of Biological …, 2001 - ASBMB
… inhibits methionine synthase activity in vivo, in cultured mammalian cells. The inhibition of
methionine synthase activity … of [ 14 C]formate into methionine, serine, and purine nucleotides. …

Functional methionine synthase deficiency (cblE and cblG): clinical and biochemical heterogeneity

D Watkin, DS Rosenblatt - American journal of medical …, 1989 - Wiley Online Library
activity of the MeCbl-dependent enzyme methionine synthase. Methionine synthase specific
activity in … under standard reducing conditions; synthase specific activity in extracts of 5 cblG …