protein C-terminal leucine carboxyl O-methyltransferase activity
protein C-terminal S-isoprenylcysteine carboxyl O-methyltransferase activity
protein carboxyl O-methyltransferase activity +
protein-arginine C-methyltransferase activity
Catalysis of the transfer of a methyl group to the carbon atom of an arginine residue in a protein. This modification has been detected in anaerobic bacteria.