(phosphatase 2A protein)-leucine-carboxy methyltransferase (, leucine carboxy methyltransferase-1, LCMT1) is an enzyme with systematic name S-adenosyl-L-methionine:(phosphatase 2A protein)-leucine O-methyltransferase. This enzyme catalyses the following chemical reaction
Methylates the C-terminal leucine of phosphatase 2A.