Molecules of life 0.0 / 5 ? PharmacyMolecules of LifeUniversityNone Created by: SamDaviesCreated on: 22-04-19 16:41 2483105197 Across 1. The amino acid formed when two peptide fragments are brought together in native chemical ligation (8) 3. The amino acid which introduces a 'kink' in polypeptide chains (7) 4. The name of the only amino acid that does not have a chiral centre and so does not exist as a mixture of two enantiomers (7) 7. Structure of purines (8) 8. The pKa of carboxylic acids (4) 10. The type of amino acid in which both the amine and the carboxylic group are attached to the same carbon (5) Down 2. The type of beta-pleated sheet which has stronger H bonds because the H bonds are in straight lines between the two chains (4, 8) 3. Name of the group of adenines and guanines (7) 5. The name of the only amino acid that gives an R configuration instead of S (8) 9. The name of one of the two amino acids that are not naturally found in DNA (7)
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