Human Nutrition 3(3+0)

Lesson 16 : Proteins

Conjugated Proteins

Proteins are united to some other molecule other than salt.

1. Nucleoproteins: Compounds of proteins with nucleic acid.

2. Glycoproteins: Protein molecule combined with a carbohydrate group.
   Ex: Mucins.

3. Phosphoproteins: Protein molecule is in combination with element
   Ex: Caseinogen (milk), ovovitelin (Egg yolk).

4. Haemoglobins: Protein molecule is combined with haem (Iron).
   Ex: Haemoglobin of blood.

5. Lecithoproteins: Protein molecule combined with lecithin or related substances.