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2.1.1.248: methylamine-corrinoid protein Co-methyltransferase

This is an abbreviated version!
For detailed information about methylamine-corrinoid protein Co-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.248

Reaction

methylamine
+
a [Co(I) methylamine-specific corrinoid protein]
=
a [methyl-Co(III) methylamine-specific corrinoid protein]
+
NH3

Synonyms

corrinoid-dependent methylamine methyltransferase, MMA methyltransferase, MMA:CoM methyltransferase, MMA:MMCP methyltransferase, MMAMT, monomethylamine methyltransferase, monomethylamine:coenzyme M methyl transferase, monomethylamine:MMCP methyltransferase, MtmB, mtmB1, mtmB2

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.248 methylamine-corrinoid protein Co-methyltransferase

Cloned

Cloned on EC 2.1.1.248 - methylamine-corrinoid protein Co-methyltransferase

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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
gene mtmB, DNA and amino acid sequence determination and analysis, genetic organization, the open reading frame of mtmB is interrupted by a single in-frame, midframe, UAG codon. A mechanism that circumvents UAG-directed termination of translation must operate during expression of mtmB in this methanogen. Analysis of the clustered genes encoding the methyltransferases of methanogenesis from monomethylamine and determination of transcript start sites. Cloning and expression of MtmB in Escherichia coli strain DH5alpha
gene mtmB1, DNA and amino acid sequence determination and analysis, UAG is not the stop codon in the encoding gene, no UAG modification. The mtmB1 amber codon encodes pyrrolysine in UAG, crystal structure of MtmB reveals lysine, but with epsilonN in amide linkage with (4R,5R)-4 substituted-pyrroline-5-carboxylate
gene mtmB1and mtmB2C2, operon encoding MMA methylamine methyltransferase, quantitative RT-PCR expression analysis, comparison with other methylamine methyltransferases, overview. Transcriptional regulation of genes encoding methylamine methyltransferases in cells growing on Ttrimethyamine or methanol in the presence of ammonium, overview
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