Definition of "glycoprotein" [glycoprotein]

• Any of a group of conjugated proteins having a carbohydrate as the nonprotein component. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A glycoprotein is a molecule that contains both protein and carbohydrate."
• "To form the bonds that hold clots together, two proteins interact: One on the platelet surface, called glycoprotein Ib alpha (GPIb-alpha); and the other, called von Willebrand factor (VWF), which binds both to GPIb-alpha on platelets and to collagen in blood vessel walls."
• "Dried kidney beans contain a toxin called glycoprotein lectin that is destroyed when boiled for 10 minutes."