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Information on EC 2.1.1.133 - precorrin-4 C11-methyltransferase

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EC Tree
     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.133 precorrin-4 C11-methyltransferase
IUBMB Comments
In the aerobic cobalamin biosythesis pathway, four enzymes are involved in the conversion of precorrin-3A to precorrin-6A. The first of the four steps is carried out by EC 1.14.13.83, precorrin-3B synthase (CobG), yielding precorrin-3B as the product. This is followed by three methylation reactions, which introduce a methyl group at C-17 (CobJ; EC 2.1.1.131), C-11 (CobM; EC 2.1.1.133) and C-1 (CobF; EC 2.1.1.152) of the macrocycle, giving rise to precorrin-4, precorrin-5 and precorrin-6A, respectively.
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The expected taxonomic range for this enzyme is: Pseudomonas denitrificans (nomen rejiciendum)
Synonyms
Cobalt-precorrin-4 methyltransferase, Methyltransferase (Pseudomonas denitrificans clone pXL151 gene cobF reduced), Methyltransferase, precorrin 2- (Pseudomonas denitrificans clone pXL151), Precorrin-3 methylase, Protein (Pseudomonas denitrificans clone pXL151 gene cobF reduced), S-Adenosyl-L-methionine-dependent cobalt-precorrin-4 transmethylase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
S-adenosyl-L-methionine + precorrin-4 = S-adenosyl-L-homocysteine + precorrin-5
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