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Comparisons between the structure and function of collagen and insulin.
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| Submitted: Fri Oct 17 2003
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Comparisons between the structure and function of collagen and Insulin Insulin is a very important hormone and is also it is a fibrous protein, this means its properties are that it is extensible, strong and insoluble it is also a secondary structure which is made up of ? helices and ß sheets, where as collagen is a important structural protein found in animals which is a globular protein (a secondary structure bent and folded into spherical shapes) which is soluble which consists of a hydrophobic core which is surrounded by a hydrophilic external surface. An insulin molecule consists of 51 amino acids and three disulphide cross links which is made up of two separate polypeptide chains know as chain A and chain B. Polypeptide chain A contains 21 amino acids and polypeptide chain B contains 30 amino acids, they are joined tighter by three disulphide bridges two inter-chain disulphide bridges and...
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