A 40-year-old patient with type 1 diabetes mellitus (T1DM) for 22 years, on insulin therapy with stable blood glucose control, developed bilateral lower extremity edema over the past 2 years. Current fasting blood glucose (FBG) is 5-6 mmol/L, urinary protein (++~+++), and creatinine (Cr) 196 μmol/L. The recommended daily dietary protein intake should be: