Nutrition facts for a little less than ¼ pound (100 grams) of Beef, round, knuckle, tip center, steak, separable lean and fat, trimmed to 0" fat, choice, cooked, grilled.  
      
       
        
        
         
       
     
Beef, round, knuckle, tip center, steak, separable lean and fat, trimmed to 0" fat, choice, cooked, grilled 
 
  Calories  188Calories from Fat 71  [1]   
 Nutrient Quantity Units Alanine   1.63  g Alcohol, ethyl   0.00  g Arginine   1.74  g Ash   0.97  g Aspartic acid   2.45  g Betaine   16.40  mg Caffeine   0.00  mg Calcium, Ca   5.00  mg Carbohydrate, by difference   0.00  g Carotene, alpha   0.00  mcg Carotene, beta   0.00  mcg Cholesterol   75.00  mg Choline, total   103.80  mg Copper, Cu   0.09  mg Cryptoxanthin, beta   0.00  mcg Cystine   0.35  g Dihydrophylloquinone   0.00  mcg Energy   188.00  kcal Energy   787.00  kJ Fatty acids, total monounsaturated   2.98  g Fatty acids, total polyunsaturated   0.37  g Fatty acids, total saturated   2.76  g Fatty acids, total trans   0.25  g Fatty acids, total trans-monoenoic   0.19  g Fatty acids, total trans-polyenoic   0.05  g Fiber, total dietary   0.00  g Folate, DFE   10.00  mcg_DFE Folate, food   10.00  mcg Folate, total   10.00  mcg Folic acid   0.00  mcg Glutamic acid   4.04  g Glycine   1.64  g Histidine   0.86  g Hydroxyproline   0.28  g Iron, Fe   2.51  mg Isoleucine   1.22  g Leucine   2.14  g Lutein + zeaxanthin   0.00  mcg Lycopene   0.00  mcg Lysine   2.27  g Magnesium, Mg   26.00  mg Manganese, Mn   0.01  mg Menaquinone-4   1.60  mcg Methionine   0.70  g Niacin   5.43  mg Pantothenic acid   0.70  mg Phenylalanine   1.06  g Phosphorus, P   238.00  mg Potassium, K   373.00  mg Proline   1.28  g Protein   26.88  g Retinol   0.00  mcg Riboflavin   0.21  mg Selenium, Se   39.80  mcg Serine   1.06  g Sodium, Na   51.00  mg Sugars, total   0.00  g Theobromine   0.00  mg Thiamin   0.05  mg Threonine   1.07  g Tocopherol, beta   0.00  mg Tocopherol, delta   0.01  mg Tocopherol, gamma   0.03  mg Total lipid (fat)   8.13  g Tryptophan   0.18  g Tyrosine   0.86  g Valine   1.33  g Vitamin A, IU   0.00  IU Vitamin A, RAE   0.00  mcg_RAE Vitamin B-12   2.92  mcg Vitamin B-12, added   0.00  mcg Vitamin B-6   0.52  mg Vitamin C, total ascorbic acid   0.00  mg Vitamin E (alpha-tocopherol)   0.20  mg Vitamin E, added   0.00  mg Vitamin K (phylloquinone)   0.20  mcg Water   64.53  g Zinc, Zn   6.56  mg 
References: 
Dr. Michael Colgan. "Optimum Sports Nutrition". 1993. National Cattlemen's Beef Association (NCBA). "Nutrient Content of Ground Beef". 2000  National Cattlemen's Beef Association (NCBA). "Nutrient Content of Retail Beef Cuts with 1/8 inch Trim Beef". 2000  National Cattlemen's Beef Association (NCBA). "Beef Value Cuts 2004". 2004