protein-L-isoaspartate (D-aspartate) O-methyltransferase activity
protein-l-isoaspartate (d-aspartate) o-methyltransferase activity
S-adenosyl-L-methionine:protein-L-isoaspartate O-methyltransferase activity
s-adenosyl-l-methionine:protein-l-isoaspartate o-methyltransferase activity