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Unformatted text preview: with another chain that runs in the same or opposite direction. Once again, the hydrogen bonding involves the C=O group of one peptide bond and the NH group of another. Beta-sheet structure. See Figure in text As well as occurring between two different polypeptide chains, this type of structure can be formed between two sections of a single polypeptide chain arranged so that the adjacent regions are in reverse orientation. Discuss principle of parallel vs anti-parallell Tertiary Structure Refers to the organization in three dimensions of all the atoms in the polypeptide chain, including the R groups as well as the polypeptide backbone. In a protein consisting of a single polypeptide chain, this level describes the complete structure. Proteins can be divided into two general types on the basis of their tertiary structure:...
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This document was uploaded on 11/03/2011 for the course BIOLOGY MCB2010 at Broward College.
- Fall '10