S-adenosyl-L-methionine:carboxyl methyltransferase family protein. similar to methyltransferase-related [Arabidopsis thaliana] (TAIR:AT5G38100.1); similar to defense-related protein [Brassica carinata] (GB:AAK50345.1); contains InterPro domain SAM dependent carboxyl methyltransferase (InterPro:IPR005299)