Why is L-tryptophan an essential amino acid when there is genetic code UGG to code for tryptophan?

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Isabel Answered Apr 07 2022

Essential means the body can’t make its own tryptophan. Having it coded for in the genes means that we can used it to make proteins, not that we can make tryptophan.

73-22-3 Related Q&A

L-Tryptophan:Mechanism of action,Safety concerns L-tryptophan is an amino acid. Amino acids are protein building blocks. L-tryptophan is called an "essential" amino acid because the body can't make it. It must be acquired from food. People use L-tryptophan for some mental health disorders, to help quit smoking, for athletic performa...

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L-Tryptophan CAS No: 73-22-3 MF: C₁₁H₁₂N₂O₂

Density	1.34
Melting Point	280-285℃
Boiling Point	447.9 °C at 760 mmHg
Vapour	2.1X10-9 mm Hg at 25 °C (est)
Refractive Index	-32 ° (C=1, H2O)
Flash Point	224.7 °C
HS Code	29339990

L-TRYPTOPHAN CAS No: 80206-30-0 MF: C₁₁H₁₂N₂O₂

Melting Point	282 deg C (decomposes)
Vapour	2.1X10-9 mm Hg at 25 °C (est)

RuBi-4AP CAS No: 851956-02-0 MF: C₃₀H₂₈Cl₂N₈Ru

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