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Topic: Role of amino acids  (Read 2612 times)

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Offline phth

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Role of amino acids
« on: January 14, 2016, 01:21:18 AM »
Hello,
I'm currently working on a project about bio-engineering.  Is there a resource to look up the specific functions of amino acids by each one?  So say all of the phenylalanine residues in E. Coli. for example. I'm new to this and a point the right direction would be appreciated.
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Offline Borek

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Re: Role of amino acids
« Reply #1 on: January 14, 2016, 03:05:33 AM »
Aminoacids are - first of all - just building blocks. Sure, some are more common in specific polypeptides (like collagen) or those that have to be lipophilic/hydrophobic, but for me that's not equivalent of them having "specific functions" in general.
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Offline Babcock_Hall

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Re: Role of amino acids
« Reply #2 on: January 14, 2016, 10:51:07 AM »
IMO there is a problem with your formulation of the question.  Consider the amino acid histidine.  In some proteins, it binds to metal ions such as zinc.  In some enzymes it functions as a general base; in others it functions as a nucleophile.
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Offline Yggdrasil

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Re: Role of amino acids
« Reply #3 on: January 14, 2016, 02:02:34 PM »
A good starting point would be to reference the chapter on amino acids and protein structure in a biochemistry text book, which will tell you the general properties of the amino acids and how they might influence proteins structure and function.  For example see https://www.ncbi.nlm.nih.gov/books/NBK22379/
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