l tryptophan

L-Tryptophan (Tryptophane), an essential amino acid, is necessary for normal growth in infants and for nitrogen balance in adults. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid) and of INDOLE ALKALOIDS in plants. It can be a precursor to NIACIN, although inefficiently in mammals.

N-Acetyl-L-tryptophan (N-acetyltryptophan) is an inhibitor of neurokinin 1 receptor (NK1-receptor, NK1R).

L-(+)-Abrine (L-N-Methyltryptophan) is a toxic protein found in the jequirity seed.,can be used as a biomarker for abrin exposure.

N-Caffeoyltryptophan (trans-Caffeoyl-L-tryptophan), a potential Sirt inhibitor, is screened using coffee extract. N-Caffeoyltryptophan inhibited Sirt2 (IC50; 8.7 μM) better than Sirt1(IC50; 34μM).

(S)-Indoximod (L-Abrine) exhibits inhibition of rabbit small intestine indoleamine 2, 3-dioxygenase, competitive inhibition of IDO, reduction of Foxp3 protein expression in tumor of C57BL 6 mouse allografted with mouse LLC cells at 200 mg kg, induction of IDO1 protein expression in tumor of C57BL 6 mouse allografted with mouse LLC cells at 200 mg kg, antitumor activity against mouse LLC cells allografted in C57BL 6 mouse, antiproliferative activity against mouse LLC cells at 50 uM.

3-Acetylindole (3-Acetyl-1H-indole) can be used as a substituent and a probe to L-tryptophan for Sudlow site II.

Quinolinic acid (QUIN) is an endogenous N-methyl-D-aspartate (NMDA) receptor agonist synthesized from L-tryptophan via the kynurenine pathway.

L-5-Hydroxytryptophan (L-5-HTP), the immediate precursor in the biosynthesis of SEROTONIN from tryptophan, is used as an antiepileptic and antidepressant.

L-Kynurenine ((S)-Kynurenine) is a key intermediate in the breakdown pathway of tryptophan. L-Kynurenine is a substrate of kynureninase, KMO, and KAT associated with the suppression of antitumor immune responses. It has been shown to inhibit allogeneic T-cell proliferation and to increase malignant U87 glioma cell invasion into a collagen matrix.

L-Alanine (L-2-Aminopropionic acid) is an Amino Acid. The chemical classification of alanine is Amino Acids. Alanine is a small non-essential amino acid in humans, Alanine is one of the most widely used for protein construction and is involved in the metabolism of tryptophan and vitamin pyridoxine.