L-Tryptophan
[Products Name] L-Tryptophan [Molecular Formula] C11H12N2O2 [CAS No.] 73-22-3 It is encoded in the standard genetic code as the codon UGG. Only the L-stereoisomer of tryptophan is used in structural or enzyme proteins, but the D-stereoisomer is occasionally found in naturally produced peptides （for example, the marine venom peptide contryphan）. The distinguishing structural characteristic of tryptophan is that it contains an indole functional group.
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