What are the most abundant proteins in the human body?

Based on peer-reviewed studies, extrapolated to a 70 kg adult male: rough abundant protein estimates in approximate rank order: 1 Collagen I; 2.2kg. 2. Hemoglobin ~800g (750g in circulating blood, 50g in spleen and marrow). 3. Actin, Acta1, ~600–700g. 4. Total skeletal muscle myosin: ~1400–1500g. 4a. read more

The answer depends on whether you want to know the most common protein in the world, in your body or in a cell. Protein Basics. A protein is a polypeptide, a molecular chain of amino acids. Polypeptides are, indeed, the building blocks of your body. And, the most abundant protein in your body is collagen. read more

The single most abundant protein in the human body is Collagen. It is the main component of connective tissue, making up about 25% to 35% of the. read more

Reported Total Body Protein (Crude Protein, N based) for 70kg Adult Male; 10.6–11.25kg based on 1800g of total body nitrogen. After adjustments and corrections for crude protein assumption errors, drops to 9.20 - 9.30kg for same 1800g nitrogen value. read more