November 25, 2024, 06:47:12 PM
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Topic: Polarity and Water Solubility of L-Alanin  (Read 85 times)

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Offline cibaa

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Polarity and Water Solubility of L-Alanin
« on: Today at 06:00:06 AM »
I‘m a bit confused on why L-Alanin is an non polar aminoacid but still soluble in water. Why is that? Does it have something to do with it‘s IEP?
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Offline Babcock_Hall

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Re: Polarity and Water Solubility of L-Alanin
« Reply #1 on: Today at 08:08:51 AM »
I am not familiar with the abbreviation IEP.  Do you mean its isoelectric point, pI?  The side chains of some amino acids are nonpolar (valine is an example), but one must consider the entire amino acid in assessing polarity and solubility.
« Last Edit: Today at 10:40:34 AM by Babcock_Hall »
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Offline Babcock_Hall

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Re: Polarity and Water Solubility of L-Alanin
« Reply #2 on: Today at 01:01:32 PM »
I recommend drawing out the major tautomer of alanine.  It is certainly true that pH and pI (isoelectric point) affect the solubility of an amino acid, but I am not sure that this is closely related to your question.
« Last Edit: Today at 02:06:06 PM by Babcock_Hall »
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