5 Types of Protein in the Body and Their Functions

5 Types of Protein in the Body and Their Functions

5 Types of Protein in the Body and Their Functions



Netgenz - Health | Proteins are large and complex molecules that play an important role in life. Proteins are essential for the function of cells in living organisms, where they are necessary for the structure and regulation of tissues and organs of the body.

Proteins are divided into long chains of amino acids, there are at least 20 other types of amino acids. In the body, protein comes in various types and each has a specific role.

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Here are 5 Types of Protein in the Body and Their Functions


1. Anti-body

Quoted from the Live Science website, antibodies are Y-shaped proteins that bind to some foreign objects in the body, such as viruses, bacteria, fungi, or parasites. This foreign object is then destroyed by means of a bodyguard.

Antibodies are released from cells and go hunting for foreign objects in the body. Antibodies are part of what is called the "adaptive" immune system, the arm of the immune system that learns to recognize and eliminate certain bacteria.

2. Enzyme

Enzymes are proteins in the body that are responsible for helping speed up metabolism or chemical reactions in the body, according to the Cleveland Clinic website. Enzymes make substances and destroy others. All living things have enzymes in their bodies.

One of the most important functions of enzymes is to aid digestion. Digestion is the activity of changing the food we eat into energy. For example, there are enzymes in the saliva, pancreas, intestines, and stomach that have the job of breaking down fats, proteins, and carbohydrates. These nutrients are then used by enzymes for cell development and renewal.

Enzymes play a role in helping:

  • breathing,
  • build muscle,
  • role of nerves
  • cleanse the body of toxins.

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3. Messenger

Messenger proteins, also known as signaling proteins, which enable communication between cells, are taken from the Verywell Health website. These messenger proteins include several types of hormones.

These proteins work to send signals to coordinate biological processes among cells, tissues, and organs. An example of a messenger protein is somatotropin, also known as a development hormone.

4. Structural

According to Jove's website, systematic proteins are proteins that are responsible for many roles, such as the shape and movement of cells to provide support for specialized structures, such as bone, cartilage, hair, and muscle. The proteins in this lineup include collagen, actin, myosin, and keratin.

Because systematic proteins are widespread, changes in the genes encoding any of these proteins can have detrimental effects. For example, a change in the gene encoding collagen may result in osteogenesis imperfecta, which is followed by weak bone and connective tissue abnormalities. Other changes in the collagen gene can cause Alport syndrome, which is followed by problems with organs such as the kidneys, eyes, and ears.

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5. Transport and storage

According to the Verywell Health website, transport and storage proteins attach to atoms and small molecules, store or carry in cells and throughout the body. An example of a transport and storage protein is ferritin, which stores iron for use by blood cells and other body cells.

Ferritin content that is too low causes iron deficiency anemia. This means that you have too few red blood cells which can be caused by a poor diet or blood loss.

Because protein is an important part of the role of every cell in the body, it is important to get enough protein from healthy sources. Well, adult men get 56 grams of protein and women 46 grams of protein daily. Some of the best sources of protein are meat, poultry, seafood, nuts, eggs, and some whole grains.

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