What is a one letter code of Tryptophan?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → W
Amino Acid Codes
Amino acids, the building blocks of proteins, are commonly represented by both a three-letter code and a single-letter code for brevity in sequence analysis.
|
Amino Acid |
Three-Letter Code |
One-Letter Code |
|
Tryptophan |
Trp |
W |
|
Threonine |
Thr |
T |
|
Tyrosine |
Tyr |
Y |
|
Isoleucine |
Ile |
I |
The choice of $\mathbf{W}$ for Tryptophan is mnemonic; its side chain contains a double ring structure, which visually suggests the two overlapping Vs that form a W.