Secondary Structure of Protein

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Topic 3 - Metabolism Mind Map on Secondary Structure of Protein, created by kathrynmoar on 26/10/2013.
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Mind Map by kathrynmoar, updated more than 1 year ago
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Created by kathrynmoar over 10 years ago
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Resource summary

Secondary Structure of Protein
  1. peptide backbone has polar groups capable of hydrogen bonding
    1. C=O
      1. N-H
        1. must form hydrogen bonds for stability
        2. alpha helix
          1. right-handed helix
            1. 3.6 amino acids per turn
              1. globular protein = 10 residues
                1. proline breaks helices
                  1. peptide bonds do not have free rotation
                  2. Beta-pleated sheet
                    1. bonding between adjacent chains involves C=O and N-H groups
                      1. adjacent chains can be parallel or antiparallel
                      2. Connecting loops
                        1. alpha helices and beta sheets are connected by loop regions
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