ID 3.1.1.89 DE protein phosphatase methylesterase-1. CA [phosphatase 2A protein]-C-terminal L-leucine methyl ester + H2O = CA [phosphatase 2A protein]-C-terminal L-leucine + H(+) + methanol. CC -!- A key regulator of protein phosphatase 2A. CC -!- The methyl ester is formed by EC 2.1.1.233. CC -!- Occurs mainly in the nucleus. DR Q4WKB2, PPME1_ASPFU; Q2URJ0, PPME1_ASPOR; Q58DN4, PPME1_BOVIN; DR Q9BIB3, PPME1_CAEEL; Q5ALW7, PPME1_CANAL; Q6FNL6, PPME1_CANGA; DR P0CO63, PPME1_CRYNB; P0CO62, PPME1_CRYNJ; Q6BZG3, PPME1_DEBHA; DR Q54TN3, PPME1_DICDI; Q5BGN7, PPME1_EMENI; Q74Z47, PPME1_EREGS; DR Q4IQC1, PPME1_GIBZE; Q9Y570, PPME1_HUMAN; Q6CQZ5, PPME1_KLULA; DR Q8BVQ5, PPME1_MOUSE; Q7SGG8, PPME1_NEUCR; Q5R4F9, PPME1_PONAB; DR Q4FZT2, PPME1_RAT ; Q9P7D2, PPME1_SCHPO; Q6CGE1, PPME1_YARLI; DR P38796, PPME1_YEAST; //