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User:Eleanor Crabb/Sandbox 2
From Proteopedia
Protein structure
Returning now to both chains in the structure 1z3a we will use this to identify the four tiers of protein structure.
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The primary structure is simply the arrangement of amino acid residues with in the chain. This can be emphasized by colouring Chain A according to . Hover your cursor over the molecule to identify some of the different residues present in the protein.
The protein can also be coloured according to the secondary structure. In the a-helices are shown in pink and <math>b</math>-sheets in yellow. Rotate the molecule to look at these features in more detail.
