Questions and Answers
What is the three letter abbreviation for Alanine?
ALA
What is the three letter abbreviation for Arginine?
ARG
What is the three letter abbreviation for Asparagine?
ASN
What is the three letter abbreviation for Aspartic Acid?
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What is the three letter abbreviation for Cysteine?
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What is the three letter abbreviation for Glutamine?
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What is the three letter abbreviation for Glutamic Acid?
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What is the three letter abbreviation for Glycine?
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What is the three letter abbreviation for Histidine?
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What is the three letter abbreviation for Isoleucine?
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What is the three letter abbreviation for Leucine?
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What is the three letter abbreviation for Lysine?
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What is the three letter abbreviation for Methionine?
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What is the three letter abbreviation for Phenylalanine?
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What is the three letter abbreviation for Proline?
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What is the three letter abbreviation for Serine?
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What is the three letter abbreviation for Threonine?
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What is the three letter abbreviation for Tryptophan?
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What is the three letter abbreviation for Tyrosine?
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What is the three letter abbreviation for Valine?
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What is the three letter abbreviation for Asparagine/Aspartic Acid?
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What is the three letter abbreviation for Glutamine/Glutamic Acid?
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Which amino acids' one letter abbreviations don't begin with the same letter as the whole name?
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Which amino acids have aliphatic (not aromatic) side chains?
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Which amino acids have aromatic side chains?
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Study Notes
Amino Acid Abbreviations
- Alanine: Three-letter abbreviation ALA, one-letter abbreviation A.
- Arginine: Three-letter abbreviation ARG, one-letter abbreviation R.
- Asparagine: Three-letter abbreviation ASN, one-letter abbreviation N.
- Aspartic Acid: Three-letter abbreviation ASP, one-letter abbreviation D.
- Cysteine: Three-letter abbreviation CYS, one-letter abbreviation C.
- Glutamine: Three-letter abbreviation GLN, one-letter abbreviation Q.
- Glutamic Acid: Three-letter abbreviation GLU, one-letter abbreviation E.
- Glycine: Three-letter abbreviation GLY, one-letter abbreviation G.
- Histidine: Three-letter abbreviation HIS, one-letter abbreviation H.
- Isoleucine: Three-letter abbreviation ILE, one-letter abbreviation I.
- Leucine: Three-letter abbreviation LEU, one-letter abbreviation L.
- Lysine: Three-letter abbreviation LYS, one-letter abbreviation K.
- Methionine: Three-letter abbreviation MET, one-letter abbreviation M.
- Phenylalanine: Three-letter abbreviation PHE, one-letter abbreviation F.
- Proline: Three-letter abbreviation PRO, one-letter abbreviation P.
- Serine: Three-letter abbreviation SER, one-letter abbreviation S.
- Threonine: Three-letter abbreviation THR, one-letter abbreviation T.
- Tryptophan: Three-letter abbreviation TRP, one-letter abbreviation W.
- Tyrosine: Three-letter abbreviation TYR, one-letter abbreviation Y.
- Valine: Three-letter abbreviation VAL, one-letter abbreviation V.
- Asparagine/Aspartic Acid: Three-letter abbreviation ASX, one-letter abbreviation B.
- Glutamine/Glutamic Acid: Three-letter abbreviation GLX, one-letter abbreviation Z.
Amino Acid Structures
- Structural drawings required for each of the amino acids listed above.
Unique One-Letter Abbreviations
- Several amino acids have one-letter abbreviations that do not match the first letter of their full names:
- Arginine - R
- Asparagine - N
- Aspartic Acid - D
- Glutamine - Q
- Glutamic Acid - E
- Lysine - K
- Phenylalanine - F
- Tryptophan - W
- Tyrosine - Y
Aliphatic Side Chains
- The following amino acids possess aliphatic (non-aromatic) side chains:
- Glycine (GLY, G)
- Alanine (ALA, A)
- Isoleucine (ILE, I)
- Methionine (MET, M)
Aromatic Side Chains
- Aromatic amino acids include:
- Phenylalanine (PHE, F)
- Tyrosine (TYR, Y)
- Tryptophan (TRP, W)
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Description
Test your knowledge of amino acid abbreviations in this quiz. Each amino acid is presented with both its three-letter and one-letter codes. Perfect for students of biochemistry or anyone interested in molecular biology.
