Does egg white or yellow have protein?

Both egg white and yolk contain protein, but the egg white has a higher protein content. Approximately 3.6 grams of protein can be found in the egg white of a large egg, while the yolk contains about 2.7 grams. The egg white is primarily composed of water and protein, making it a popular choice for those seeking a low-fat protein source. The yolk, while containing less protein, also provides essential nutrients and healthy fats.