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Gene Review:

MMT - methionine S-methyltransferase

Arabidopsis thaliana

Tagmount, A. et al., Ranocha, P. et al., Kocsis, M.G. et al.

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High impact information on MMT

This enabled us to use recombinant AtHMT-1 to establish that the other enzyme of the SMM cycle, AdoMet:Met S-methyltransferase, introduces the pro-S methyl group [1].
Insertional inactivation of the methionine s-methyltransferase gene eliminates the s-methylmethionine cycle and increases the methylation ratio [2].

Associations of MMT with chemical compounds

An essential role of s-adenosyl-L-methionine:L-methionine s-methyltransferase in selenium volatilization by plants. Methylation of selenomethionine to selenium-methyl-L-selenium- methionine, the precursor of volatile selenium [3].

References

Characterization and functional expression of cDNAs encoding methionine-sensitive and -insensitive homocysteine S-methyltransferases from Arabidopsis. Ranocha, P., Bourgis, F., Ziemak, M.J., Rhodes, D., Gage, D.A., Hanson, A.D. J. Biol. Chem. (2000) [Pubmed]
Insertional inactivation of the methionine s-methyltransferase gene eliminates the s-methylmethionine cycle and increases the methylation ratio. Kocsis, M.G., Ranocha, P., Gage, D.A., Simon, E.S., Rhodes, D., Peel, G.J., Mellema, S., Saito, K., Awazuhara, M., Li, C., Meeley, R.B., Tarczynski, M.C., Wagner, C., Hanson, A.D. Plant Physiol. (2003) [Pubmed]
An essential role of s-adenosyl-L-methionine:L-methionine s-methyltransferase in selenium volatilization by plants. Methylation of selenomethionine to selenium-methyl-L-selenium- methionine, the precursor of volatile selenium. Tagmount, A., Berken, A., Terry, N. Plant Physiol. (2002) [Pubmed]

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