There are a large variety of serine residues, and the phosphorylation of each residue can lead to different metabolic consequences. 1  Protein kinase N1 is responsible for the phosphorylation of the TNF receptor-associated factor (TRAF1) on serine 139 under specific conditions.
There are 121 calories in a 1/2 cup of Fried Potatoes. Calorie breakdown: 23% fat, 69% carbs, 8% protein.
Nutritional Value. Purple potatoes are very similar to the popular Russet potatoes in nutritional value. One-half cup of purple potatoes contains 70 calories, 15 grams of carbohydrates, 1 gram of fiber, 2 grams of protein and no fat.