Talk:Protein

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Good article Protein has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.
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Edit request on 5 February 2013[edit]

Protein is considered an important body fuel.Rme09 (talk) 13:21, 5 February 2013 (UTC)

Can you please be more specific about your request? Specify what text should be removed and a verbatim copy of the text that should replace it. Deli nk (talk) 13:25, 5 February 2013 (UTC)
See also protein (nutrient). Sasata (talk) 14:33, 5 February 2013 (UTC)

Amino acids vs amino acid residues[edit]

Peptides and proteins do not contain amino acids. That much all biochemists and chemists agree on. The article probably should make this point clear. In fact, I think that free amino acids are rare in nature. The key term is amino acid residue. Possibly if this term were introduced, there would be less confusion. On the other hand possibly other editors find this distinction to be pendantic. --Smokefoot (talk) 04:26, 10 November 2013 (UTC)

Oddly, I agree with your edit, but not your edit summary. Proteins (or at least polypeptides) are literally polymers of amino acids despite the fact that they don't contain intact amino acids. In the same sense, polystyrene is a polymer of styrene, even though it contains styrene residues, not literally intact styrene monomers. This is of course 1000 times more pedantic than your original argument. (+)H3N-Protein\Chemist-CO2(-) 15:54, 12 November 2013 (UTC)

External links modified[edit]

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Semi-protected edit request on 21 October 2015[edit]

Source:

A linear chain of amino acid residues is called a polypeptide. A protein contains at least one long polypeptide. Short polypeptides, containing less than about 20-30 residues, ...

Edit request: Second sentence, sub phrase "less than about 20-30 residues," should be improved for clarity. Less than 'approximately' 'an approximation' is redundant. No need to specify "about" when you're saying "20-30," it is already understood this is an approximation. This gives the idea that it is not, in fact, 20-30, but perhaps 18-25, or 21-32, etc. If such is the case, it should be specified, not assumed.

Thank you.

CDaly89 (talk) 00:47, 21 October 2015 (UTC)

Yes check.svg Done Altamel (talk) 01:30, 21 October 2015 (UTC)