precorrin-6Y C5,15-methyltransferase (decarboxylating) activity
Catalysis of the reaction: 2 S-adenosyl-L-methionine + precorrin-6Y = 2 S-adenosyl-L-homocysteine + precorrin-8X + CO2.
GO:0008757
S-adenosylmethionine-dependent methyltransferase activity
is_a
S-adenosyl-L-methionine:1-precorrin-6Y C5,15-methyltransferase (C-12-decarboxylating)
related
precorrin-6 methyltransferase activity
broad
precorrin-6Y methylase activity
broad