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Amide

Amide

(Science: biochemistry) An organic compound which contains a -CONH2 group.

Any of the organic compounds produced when a hydrogen atom of ammonia (NH3) is replaced with a metal.


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Central Dogma of Molecular Biology

... is simply a large peptide, and can also be called a polypeptide. The building blocks of peptides and proteins are amino acids, which are linked by amide (peptide) bonds. The RNA can be converted back to DNA by retroviruses (RNA viruses) such as HIV with the use of reverse transcriptase enzyme. ...

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by JosePR
Sat Apr 25, 2009 8:53 pm
 
Forum: Molecular Biology
Topic: Central Dogma of Molecular Biology
Replies: 3
Views: 10080

Re: Finding the net charge of amino acid

Looks good to me. You only need to consider the terminal NH2 and COOH groups, as you've done. All the others are forming amide bonds with the next amino acid in the polypeptide and don't substantially contribute to the pH equilibria. The only other titratable groups are on the side ...

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by blcr11
Thu Oct 02, 2008 9:42 am
 
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 19
Views: 51249

Y does H2O2 oxidize lipids much more strongly than proteins?

I think that the answers is written thare. It's all because protein has a amide group and amino acid has a carboxyl roup. Both of these groups contain carbonyl arrangements which is said to be stable to oxidation stress. Meanwhile, lipids (e.g. fatty acids) are ...

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by victor
Fri Jan 25, 2008 5:03 am
 
Forum: Molecular Biology
Topic: Y does H2O2 oxidize lipids much more strongly than proteins?
Replies: 1
Views: 1705

Questions about Enzymes

... not denaturation. I still don't know how to break peptide bonds, but I'll search for it. My prediction is with strong bases because peptide (amide) bonds tends to be acidic.

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by victor
Sun Nov 18, 2007 2:19 am
 
Forum: Molecular Biology
Topic: Questions about Enzymes
Replies: 7
Views: 7713

acrylamide question

... try some acid chromate cleaning solution. Qiagen sells a kit for recovery of nucleic acids from gel fragments that actually dissolves the acrylamide. It’s designed for fairly small volumes of acrylamide, though. I always thought the active ingredient was a chaotropic salt like LiSO4 or LiCl, ...

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by blcr11
Fri Nov 16, 2007 4:26 pm
 
Forum: Molecular Biology
Topic: acrylamide question
Replies: 5
Views: 2579
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