methylcob(III)alamin + S-adenosyl-L-homocysteine => cob(I)alamin + S-adenosyl-L-methionine
methylcob(iii)alamin + s-adenosyl-l-homocysteine => cob(i)alamin + s-adenosyl-l-methionine
methylcob(III)alamin + S-adenosyl-L-homocysteine => cob(I)alamin + S-adenosyl-L-methionine
methylcob(iii)alamin + s-adenosyl-l-homocysteine => cob(i)alamin + s-adenosyl-l-methionine