Biochemistry · MilesDown: Biochemistry

Question

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This amino acid is Aspartate, ASP, D: Polar Negatively-Charged Aliphatic, Acidic.

Answer

(see image)
This amino acid is Aspartate, ASP, D: Polar Negatively-Charged Aliphatic, Acidic.
(see image) This amino acid is Aspartate, ASP, D: Polar Negatively-Charged Aliphatic, Acidic.
Tip: For 1 Letter, look at all the P in full and 3 letter names of asPartate, if you cut off the bottom half of this letter P then you get D, the one letter code for asPartate.
Negatively Charged
Acidic
Related to Asparagine, as the both have same C# and same carbonyl but instead of the -OH group that would be present in Aspartatic Acid (the form before ionization into Aspartate-), the Asparagine would have an amine in place of it.
Khan Academy Link
Glutamate is just a longer Aspartate. Similarly, Glutamine is just a longer Asparagine. The Glutam- counterparts seem to be longer than their Asp- counterparts here.
Note: Though the following visual is helpful, it is misleading to label methionine under the 'polar, uncharged' category. Also do not condone the 'ass***' mnemonic.

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