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What is a Protein? Learn about the 3D shape and function of macromolecules

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A new version of this video is available at https://www.youtube.com/watch?v=wvTv8TqWC48 Proteins play countless roles throughout the biological world, from catalyzing chemical reactions to building the structures of all living things. Despite this wide range of functions all proteins are made out of the same twenty amino acids, but combined in different ways. The way these twenty amino acids are arranged dictates the folding of the protein into its unique final shape. Since protein function is based on the ability to recognize and bind to specific molecules, having the correct shape is critical for proteins to do their jobs correctly. A PDF flyer accompanies this video at PDB-101 at http://bit.ly/RK7OmG Animation by Maria Voigt, narration by Monica Sekharan

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