User:Eleanor Crabb/Sandbox 1
From Proteopedia
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The interactive image on the right shows the protein with the pdb code 1z3a. You will note that there are two chains shown in green and blue.
In order to look at the structure of proteins in more detail we will concentrate on just a . Click on the link in green.
This is a cartoon representation of the protein. This shows the back bone of the protein. Let us now look at just a single length of the chain.