ID   2.1.1.377
DE   [methyl-Co(III) glycine betaine-specific corrinoid protein]--coenzyme M
DE   methyltransferase.
CA   methyl-Co(III)-[glycine betaine-specific corrinoid protein] + coenzyme M
CA   = Co(I)-[glycine betaine-specific corrinoid protein] + methyl-coenzyme M
CA   + H(+).
CC   -!- The enzyme, which is involved in methanogenesis from glycine betaine,
CC       catalyzes the transfer of a methyl group bound to the cobalt cofactor
CC       of glycine betaine-specific corrinoid protein to coenzyme M, forming
CC       the substrate for EC 2.8.4.1, which catalyzes the final step in
CC       methanogenesis.
CC   -!- The enzyme from the methanogenic archaeon Methanolobus vulcani B1d
CC       can also catalyze the activity of EC 2.1.1.246.
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