Term Name:	precorrin-2 C20-methyltransferase activity
Synonyms:	S-adenosyl-L-methionine--precorrin-2 methyltransferase activity, S-adenosyl-L-methionine:precorrin-4 C20-methyltransferase activity
Definition:	Catalysis of the reaction: S-adenosyl-L-methionine + precorrin-2 = S-adenosyl-L-homocysteine + H+ + precorrin-3A.
Ontology:	GO: Molecular Function [GO:0030788]    QuickGO    AmiGO