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Serine

serine

(Science: amino acid) Is synthesised by the body from the amino acids glycine or threonine. Its production requires adequate amounts of B-7 (niacin), B-6 and folic acid. It is needed for the metabolism of fats and fatty acids, muscle growth and a healthy immune system. It aides in the production of immunoglobulins and antibodies. It is a constituent of brain proteins and nerve coverings. It is important in the formation of cell membranes, involved in the metabolism of purines and pyrimidines and muscle synthesis. It is also used in cosmetics as a skin moisturizer. Serine is abundant in meats and dairy products, wheat gluten, peanuts and soy products, all of which are common allergens. There is some concern that elevated serine levels can cause immune suppression and psychological symptoms as in cerebral allergies.


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Protein phosphorylation

My question is regarding mimicing of protein phosphorylation. Changing a serine (Ser) amino acid residue to aspartic acid (Asp) or glutamic acid (Glu) supposedly mimics a phosphorylated serine. 1. How much is it mimicing, can I accept my results based on the ...

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by kk
Mon Aug 03, 2009 9:37 am
 
Forum: Molecular Biology
Topic: Protein phosphorylation
Replies: 2
Views: 818

Wondering if someone can check this (DNA related)

... in a piece of DNA are thymine, calculate the percentage of the bases that are guanine: 35% Given: ATG: Tyrosine TAC: Methionine CCT: Glycine TCG: Serine CGT: Alanine 1. Write down the amino acid sequence coded for by a piece of messenger RNA with the following base sequence (AUG AGC GCA GCA UAC ...

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by mjaigirdar
Sun Feb 08, 2009 11:15 pm
 
Forum: General Discussion
Topic: Wondering if someone can check this (DNA related)
Replies: 1
Views: 521

I just want to make sure that my hw problems are correct.thk

... answer I got is C Which of the following is an example of an amino acid with a nonpolar (hydrophobic) R group a. glutamic acid b. isoleucine c. serine d. cysteine e. lysine *The answer I got is a Which type of bond is most responsible for the following properties of water: cohesion, moderation ...

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by maya786
Tue Sep 16, 2008 2:22 am
 
Forum: General Discussion
Topic: I just want to make sure that my hw problems are correct.thk
Replies: 3
Views: 811

Re: Peptide binding to MHC molecule

A single substitution may affect binding, or it may not depending on the situation. Serine and tyrosine both have polar OH groups on their side chains, but tyrosine is much larger than serine (think of the difference in size between methanol and phenol and that’s ...

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by blcr11
Sun Aug 24, 2008 6:42 pm
 
Forum: Molecular Biology
Topic: Peptide binding to MHC molecule
Replies: 1
Views: 718

Peptide binding to MHC molecule

Hi everyone, I have a certain peptide sitting in the binding groove of a class II MHC molecule. I need to mutate a serine residue to a tyrosine residue on the peptide and determine if the peptide can still bind to the MHC. I apologize for the ignorance as I am still learning, but ...

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by djm129129
Sat Aug 23, 2008 2:59 pm
 
Forum: Molecular Biology
Topic: Peptide binding to MHC molecule
Replies: 1
Views: 718
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