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Quick Scroll Hydrophobic or hydrophilic? 05.27.04 (4 years ago) #1
R glycine and Tyrosine hydrophobic or hydrophilic?Harper 24th and lippincott 2nd ed differ.What's correct? icon_confused.gif
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Quick Scroll ty 07.29.04 (3 years ago) #2
tyrosine & phenylalanine r hydrophobic aa
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Quick Scroll 07.31.04 (3 years ago) #3
its given in 1 of the books ke glycine n tyrosine are polar amino acids with no charge on R grp
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Quick Scroll 08.24.04 (3 years ago) #4
is it hydrophilic or hydrophobic ....clarify
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Quick Scroll reply 10.31.04 (3 years ago) #5
tyrosine is hydrophobic & glycine although is classified along with aliphatic amino acids it is water soluble.
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Quick Scroll 03.09.05 (3 years ago) #6
the presence of a hydroxyl group may be the reason but the aminoacid tyrosine is not easily soluble in water so it cannot be classified as hydrophillic
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Quick Scroll 05.15.05 (3 years ago) #7
can u explain me why Tyrosine is hydrophillic...
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Quick Scroll aromatic amino acids 04.25.06 (2 years ago) #8
A page 3086 in Dekker Encyclopedia of nanoscience and nanotechnology it says:
Tyr and Trp are hydrophilic.
Phe is hydrophobic.
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Quick Scroll 01.26.07 (1 year ago) #9
Glycine is hydrophilic. I dissolve it every now and then in water to make transfer buffers for SDS-PAGE.

Tyrosine is classified as hydrophobic. However, the -OH group on the ring can be protonated to make it hydrophilic. One of the protein that I study has two tyrosines near its 3' end which is freely soluble in the intracellular enviroment.

Good luck to you guys.
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Quick Scroll 02.04.07 (1 year ago) #10
presence of -OH group means it can react with water..so hydrophilic...as such tyrosine is hydrophilic.
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