User:Stephen Mills/Peptide tutorial 2

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(Let's look at another dipeptide.)
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'''Write down this distance and submit it to your instructor.'''
'''Write down this distance and submit it to your instructor.'''
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Click here to go on to the next part.
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==Oligopeptides==
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Now you are ready to work with oligopeptides, or polymers composed of 3-20 amino acid residues. These polymers are linear; that is, each amino acid is linked to it's neighbor in a head-to-tail fashion rather than forming branched chains. You will be observing a 5mer in this tutorial.

Revision as of 05:58, 30 July 2011

Peptide 2:

Let's look at another dipeptide.

Identify each amino acid in this dipeptide.

Second Dipeptide

Drag the structure with the mouse to rotate

What is the short-hand notation for this dipeptide?

Identify which amino acid is at the N-terminus and which is at the C-terminus.

Identify the α carbons of each amino acid.

Identify the atoms involved in the peptide bond in this dipeptide.

Now, measure the distance between the α carbons.

To measure a distance, Double click on the first atom, then double click on the second atom. You may need to rotate the molecule a bit to see the distance well. Try it now.

Write down this distance and submit it to your instructor.



Oligopeptides

Now you are ready to work with oligopeptides, or polymers composed of 3-20 amino acid residues. These polymers are linear; that is, each amino acid is linked to it's neighbor in a head-to-tail fashion rather than forming branched chains. You will be observing a 5mer in this tutorial.

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Stephen Mills

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