Glycoprotein

A glycoprotein is a big molecule. It is composed of a protein and a carbohydrate (which is usually a sugar-like substance). Glycoproteins are important to recognise immune cells in mammals. Well-known glycoproteins are:

• antibodies which react with antigens

Structure of a type of glycoprotein.

Hormones that are glycoproteins are (amongst others)

• Follicle stimulating hormone (FSH)
• Luteinising hormone (LH)
• Thyroid-stimulating hormone (TSH)

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