Non-polar amino acids: Difference between revisions
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The chemical properties of an amino acid are largely dictated by the nature of its variable R-group. Non-polar amino acids are a class of amino acids in which the variable R-group is comprised of mostly hydrocarbons;<ref>http://webhost.bridgew.edu/fgorga/proteins/nonpolar.htm</ref> the amino acids cysteine and | The chemical properties of an [[Amino acid|amino acid]] are largely dictated by the nature of its variable [[R-group|R-group]]. Non-polar amino acids are a class of amino acids in which the variable R-group is comprised of mostly [[Hydrocarbons|hydrocarbons]] <ref>http://webhost.bridgew.edu/fgorga/proteins/nonpolar.htm</ref>; the amino acids [[Cysteine|cysteine]] and [[Methione|methionine]] also feature a [[Sulphur|sulphur]] [[Atom|atom]], but (due to its similar negativity to [[carbon|carbon]]) this does not confer any [[Polar amino acids|polar]] properties to either of these amino acids <ref>http://www.wordiq.com/definition/Pauling_scale</ref>.<br> | ||
<br> | The non-polar amino acids are<ref>Berg, Tymoczko and Stryer. (2011) Biochemistry, pg 29</ref>: | ||
*[[Glycine|Glycine]] | |||
*[[Alanine|Alanine]] | |||
*[[Proline|Proline]] | |||
*[[Valine|Valine]] | |||
*[[Leucine|Leucine]] | |||
*[[Isoleucine|Isoleucine]] | |||
*[[Methionine|Methionine]] | |||
*[[Tryptophan|Tryptophan]] | |||
*[[Phenylalanine|Phenylalanine]]<br> | |||
= References = | = References = | ||
<references /> | |||
Latest revision as of 17:06, 2 December 2011
The chemical properties of an amino acid are largely dictated by the nature of its variable R-group. Non-polar amino acids are a class of amino acids in which the variable R-group is comprised of mostly hydrocarbons [1]; the amino acids cysteine and methionine also feature a sulphur atom, but (due to its similar negativity to carbon) this does not confer any polar properties to either of these amino acids [2].
The non-polar amino acids are[3]:
References
- ↑ http://webhost.bridgew.edu/fgorga/proteins/nonpolar.htm
- ↑ http://www.wordiq.com/definition/Pauling_scale
- ↑ Berg, Tymoczko and Stryer. (2011) Biochemistry, pg 29