Key differences between fibrous and globular proteins?

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What are the key differences between fibrous and globular proteins? I know an example of each (haemoglobin and collagen) but don't know the differences in the structure and uses. The textbook is of course no help!! Haha :)

Posted Tue 8th January, 2013 @ 16:12 by Gaby Coghlan

3 Answers

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globular proteins consist of polypeptide chains that fold up into a spherical shape

Fibrous proteins consist of long polypeptide chains which run parallel to one another

Answered Tue 8th January, 2013 @ 17:03 by Humayra
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fibrous proteins - their function in cells and organelles is usually structural. Collagen is an example. its fibres are insoluble, inelastic, and have high tensile strength. this makes collagen an ideal material for tendons and ligaments which must withstand large pulling forces.

Answered Tue 8th January, 2013 @ 17:10 by Humayra
  • 0 votes

Fibrous proteins tend to have structural functions - such as collagen, which is in tendons. 

Globular proteins usually have metabolic functions - for example, enzymes.

Answered Tue 8th January, 2013 @ 18:32 by A