Alpha helix: Difference between revisions
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In an alpha helix, the main chain arranges in a <scene name='77/778341/Ribbon/1'>right-handed helix</scene> with the <jmol><jmolLink> | In an alpha helix, the main chain arranges in a <scene name='77/778341/Ribbon/1'>right-handed helix</scene> with the <jmol><jmolLink> | ||
<script> select 6-14:A and sidechain; spacefill 20%; wireframe 0.3; | <script> select 6-14:A and sidechain; spacefill 20%; wireframe 0.3; delay 0.8; select 4-16:A and backbone or 4-16:A.CB; restrict selected; | ||
</script> | </script> | ||
<text>side chains</text> | <text>side chains</text> | ||
</jmolLink></jmol> | </jmolLink></jmol> pointing away from the helical axis. In the following, the side chains are truncated at the beta carbon (green) to allow a better view of the main chain. The alpha helix is stabilized by <scene name='77/778341/Hbonds/2'>hydrogen bonds</scene> (shown as dashed lines) from the <jmol> | ||
<jmolLink> | <jmolLink> | ||
<script> select 6-10:A.O; spacefill 30%; delay 0.4; spacefill 20%; delay 0.4; spacefill 30%; delay 0.4; spacefill 20%l delay 0.4; | <script> select 6-10:A.O; spacefill 30%; delay 0.4; spacefill 20%; delay 0.4; spacefill 30%; delay 0.4; spacefill 20%l delay 0.4; | ||