SEARCH Articles Figures Tables Cobalamin methylcobalamin Cobalt compounds methylcobalamin Cobalt methylcobalamine Coenzymes methylcobalamin Methionine synthase methylcobalamin structure Methylation, by methylcobalamin Methylcobalamin Adenosylcobalamin-dependent Methylcobalamin biological functions Methylcobalamin enzymes Methylcobalamin metabolism Methylcobalamin natural forms Methylcobalamin reduction Methylcobalamin structure Methylcobalamin synthesis Methylcobalamin, photochemistry Methylcobalamin:CoM methyltransferase Methylcobalamine Methylcobalamine Subject methylcobalamin