User:Michael Roberts/Open-Day Demo: Difference between revisions

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== Secondary Structure in chymotrypsin ==

Now that we know something about the structural organisation of proteins, let's go back to our chymotrypsin molecule and have another look.

This time, we'll display a <scene name='User:Michael_Roberts/BIOL115_Chymo/2ndry_structure/1'>cartoon representation</scene> indicating the main secondary structural elements. We can see that the main structural form in chymotrypsin is the beta strand~~, (orange)~~, with only a small amount of α-helix. We can also see that the protein is organised into two structurally-similar domains. Each domain contains a group of beta strands arranged as anti-parallel sheets forming a circular structure known as a beta barrel. You can rotate the molecule so that you can see down through each of the two beta barrels in turn.

This time, we'll display a <scene name='User:Michael_Roberts/BIOL115_Chymo/2ndry_structure/1'>cartoon representation</scene> indicating the main secondary structural elements. We can see that the main structural form in chymotrypsin is the beta strand, with only a small amount of α-helix.

''Colour key:''

{{Template:ColorKey_Helix}},

{{Template:ColorKey_Strand}}.

We can also see that the protein is organised into two structurally-similar domains. Each domain contains a group of beta strands arranged as anti-parallel sheets forming a circular structure known as a beta barrel. You can rotate the molecule so that you can see down through each of the two beta barrels in turn.

</StructureSection>

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 == Secondary Structure in chymotrypsin ==
 Now that we know something about the structural organisation of proteins, let's go back to our chymotrypsin molecule and have another look.
-This time, we'll display a <scene name='User:Michael_Roberts/BIOL115_Chymo/2ndry_structure/1'>cartoon representation</scene> indicating the main secondary structural elements. We can see that the main structural form in chymotrypsin is the beta strand, (orange), with only a small amount of α-helix. We can also see that the protein is organised into two structurally-similar domains. Each domain contains a group of beta strands arranged as anti-parallel sheets forming a circular structure known as a beta barrel. You can rotate the molecule so that you can see down through each of the two beta barrels in turn.
+This time, we'll display a <scene name='User:Michael_Roberts/BIOL115_Chymo/2ndry_structure/1'>cartoon representation</scene> indicating the main secondary structural elements. We can see that the main structural form in chymotrypsin is the beta strand, with only a small amount of α-helix.
 ''Colour key:''
 {{Template:ColorKey_Helix}},
 {{Template:ColorKey_Strand}}.
+We can also see that the protein is organised into two structurally-similar domains. Each domain contains a group of beta strands arranged as anti-parallel sheets forming a circular structure known as a beta barrel. You can rotate the molecule so that you can see down through each of the two beta barrels in turn.
 </StructureSection>