IUBMB Enzyme Nomenclature


Accepted name: tellurite methyltransferase

Reaction: S-adenosyl-L-methionine + tellurite = S-adenosyl-L-homocysteine + methanetelluronate

Other name(s): TehB

Systematic name: S-adenosyl-L-methionine:tellurite methyltransferase

Comments: The enzyme is involved in the detoxification of tellurite. It can also methylate selenite and selenium dioxide.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Liu, M., Turner, R.J., Winstone, T.L., Saetre, A., Dyllick-Brenzinger, M., Jickling, G., Tari, L.W., Weiner, J.H. and Taylor, D.E. Escherichia coli TehB requires S-adenosylmethionine as a cofactor to mediate tellurite resistance. J. Bacteriol. 182 (2000) 6509-6513. [PMID: 11053398]

2. Choudhury, H.G., Cameron, A.D., Iwata, S. and Beis, K. Structure and mechanism of the chalcogen-detoxifying protein TehB from Escherichia coli. Biochem. J. 435 (2011) 85-91. [PMID: 21244361]

[EC created 2012]

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