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Order the formation of a β - pleated sheets

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β-Pleated folding occurs when 2 segments of a polypeptide chain overlap with one another and form a row of hydrogen bonds with each other. This can happen in a parallel or antiparllel arrangement

In an antiparallell arrangement the C-terminus of one segment is on the same side as the n-terminus. This means hydrogen bonds are formed directly downwards this is the more favourable sheet formed

In the antiparallell arrangenment the sability is less favoured because hydrogen bonds are formed at an angle


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