Amylose: Difference between revisions

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==Structure==

<scene name='82/824003/Amylose_a/3'>Amylose A</scene> and B occur as parallel double-helices of glucose chains, with 6 glucose units per turn. In contrast, <scene name='82/824003/Amylose_v/2'>~~amylose V~~</scene> ~~occurs as a single helix as shown in the figure~~ (same structure shown as <scene name='82/824003/Amylose_v/3'>cartoon</scene>). A more irregular conformation of a cyclic amylose occurs is found in complex with a protein in the structure [[5jiw]]. In solution, amylose occurs as flexible hydrated single helices. These can bind to small molecules to form inclusion complexes such as the famous starch/iodine/iodide complex. Because of the difficulty in characterizing non-crystalline or semi-crystalline polymeric materials with complex chemical makeup (variation in chain length and location of branch points), the structure of starch and its components <ref>Perez, Serge & Bertoft, Eric. (2010). The molecular structures of starch components and their contribution to the architecture of starch granules: A comprehensive review. Starch ‐ Stärke. 62. 389 - 420. 10.1002/star.201000013.</ref> is less well characterized than that of proteins.

<scene name='82/824003/Amylose_a/3'>Amylose A</scene> and B occur as parallel double-helices of glucose chains, with 6 glucose units per turn. In contrast, amylose V shows single helices, as illustrated in the crystal structure of <scene name='82/824003/Amylose_v/2'>cyclodextrine 26</scene> (same structure shown as <scene name='82/824003/Amylose_v/3'>cartoon</scene>). A more irregular conformation of a cyclic amylose occurs is found in complex with a protein in the structure [[5jiw]]. In solution, amylose occurs as flexible hydrated single helices. These can bind to small molecules to form inclusion complexes such as the famous starch/iodine/iodide complex. Because of the difficulty in characterizing non-crystalline or semi-crystalline polymeric materials with complex chemical makeup (variation in chain length and location of branch points), the structure of starch and its components <ref>Perez, Serge & Bertoft, Eric. (2010). The molecular structures of starch components and their contribution to the architecture of starch granules: A comprehensive review. Starch ‐ Stärke. 62. 389 - 420. 10.1002/star.201000013.</ref> is less well characterized than that of proteins.

</StructureSection>

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 ==Structure==
 <StructureSection load='' size='340' side='right' caption='Caption for this structure' scene='82/824003/Amylose_v/4'>
-<scene name='82/824003/Amylose_a/3'>Amylose A</scene> and B occur as parallel double-helices of glucose chains, with 6 glucose units per turn. In contrast, <scene name='82/824003/Amylose_v/2'>amylose V</scene> occurs as a single helix as shown in the figure (same structure shown as <scene name='82/824003/Amylose_v/3'>cartoon</scene>). A more irregular conformation of a cyclic amylose occurs is found in complex with a protein in the structure [[5jiw]]. In solution, amylose occurs as flexible hydrated single helices. These can bind to small molecules to form inclusion complexes such as the famous starch/iodine/iodide complex. Because of the difficulty in characterizing non-crystalline or semi-crystalline polymeric materials with complex chemical makeup (variation in chain length and location of branch points), the structure of starch and its components <ref>Perez, Serge & Bertoft, Eric. (2010). The molecular structures of starch components and their contribution to the architecture of starch granules: A comprehensive review. Starch ‐ Stärke. 62. 389 - 420. 10.1002/star.201000013.</ref> is less well characterized than that of proteins.
+<scene name='82/824003/Amylose_a/3'>Amylose A</scene> and B occur as parallel double-helices of glucose chains, with 6 glucose units per turn. In contrast, amylose V shows single helices, as illustrated in the crystal structure of <scene name='82/824003/Amylose_v/2'>cyclodextrine 26</scene> (same structure shown as <scene name='82/824003/Amylose_v/3'>cartoon</scene>). A more irregular conformation of a cyclic amylose occurs is found in complex with a protein in the structure [[5jiw]]. In solution, amylose occurs as flexible hydrated single helices. These can bind to small molecules to form inclusion complexes such as the famous starch/iodine/iodide complex. Because of the difficulty in characterizing non-crystalline or semi-crystalline polymeric materials with complex chemical makeup (variation in chain length and location of branch points), the structure of starch and its components <ref>Perez, Serge & Bertoft, Eric. (2010). The molecular structures of starch components and their contribution to the architecture of starch granules: A comprehensive review. Starch ‐ Stärke. 62. 389 - 420. 10.1002/star.201000013.</ref> is less well characterized than that of proteins.
 </StructureSection>