l tyrosine

L-Tyrosine ((S)-Tyrosine) is a naturally occurring tyrosine and is synthesized in vivo from L-phenylalanine, considered a non-essential amino acid. L-Tyrosine(L-p-Tyrosine) is the levorotatory isomer of the aromatic amino acid tyrosine.

3-Nitro-L-tyrosine (3-Nitrotyrosine) is the major product from the spontaneous reaction of peroxynitrite with tyrosine. Formation of nitrotyrosine can indicate the formation of peroxynitrite by a nitric oxide (NO)-dependent oxidative damage.

3-Chloro-L-Tyrosine (Chlorotyrosine), a specific marker of myeloperoxidase-catalyzed oxidation, is markedly elevated in low-density lipoprotein isolated from human atherosclerotic intima. In particular, myeloperoxidase halogenates tyrosine residues in plasma proteins and generates 3-chlorotyrosine (CY). The detection of free chlorotyrosine in blood or urine arises from the degradation of these chlorinated proteins. CY concentrations may be useful for monitoring the activation of neutrophils in asthmatic patients.

N-Acetyl-L-tyrosine (Ac-Tyr-OH) is a side chain reaction of tyrosine. It converts to tyrosine and then can be used in neurotransmitter treatment as a precursor of cathecholamine.

3,5-Diiodo-L-tyrosine dihydrate is a natural product.

3-Nitro-L-tyrosine ethyl ester hydrochloride [catalog number T124433] is a valuable compound for life sciences research.

L-Tyrosine, methyl ester is a useful organic compound for research related to life sciences. The catalog number is T126438 and the CAS number is 1080-06-4.

L-Phenylalanine (3-Phenyl-L-alanine) is an essential amino acid and the precursor of the amino acid tyrosine, acts as an antagonist at α2δ calcium channels.

N-Acetyl-L-phenylalanine (N-Ac-Phenylalanine) is an essential amino acid produced for medical, feed, and nutritional applications. It appears in large amount in urine of patients with phenylketonuria which is a human genetic disorder due to the lack of phenylalanine hydroxylase, the enzyme necessary to metabolize phenylalanine to tyrosine. Acetylphenylalanine is a product of enzyme phenylalanine N-acetyltransferase in the pathway phenylalanine metabolism.

(S)-2-Hydroxy-3-phenylpropanoic acid (L-(−)-3-Phenyllactic acid) is a chiral aromatic compound involved in phenylalanine metabolism. It is likely produced from phenylpyruvate via lactate dehydrogenase. The D-form is derived from bacterial sources, while the L-form is endogenous. Phenyllactate levels are normally very low in blood or urine, but high levels indicate phenylketonuria (PKU) and hyperphenylalaninemia (HPA). PKU is due to a deficiency of phenylalanine hydroxylase (PAH), causing phenylalanine to convert to phenylpyruvic acid rather than tyrosine.

H-Tyr(3-I)-OH (3-Iodo-L-tyrosine) is an inhibitor of tyrosine hydroxylase (Ki = 0.39 M) and an intermediate in the synthesis of thyroid hormones

3-(2,4-Dihydroxyphenyl)propanoic acid (Hydroumbellic acid) is a predicted metabolite generated by BioTransformer1 from the metabolism of 3-(2,4-dihydroxyphenyl)prop-2-enoic acid. It is produced by the abkar1 enzyme via a reduction-of-alpha-beta-unsaturated-compounds-pattern1 reaction in human gut microbiota.

Glycyltyrosine, a dipeptide composed of tyrosine and glycine, is an incomplete breakdown product of protein catabolism or protein digestion.

Vanicoside E is an antioxidant and antitumor agent that inhibits L-Tyrosine and L-DOPA with IC50 values of 45.23 μM and 189.96 μM, respectively [1] [2].

Momordicoside A is a triterpenoid saponin compound isolated from bitter melon (Momordica charantia L.), which possesses a variety of biological activities, including inhibition of protein tyrosine phosphatase (PTP1B), and can be used in the treatment of type 2 diabetes. In addition, Momordicoside A has anti-inflammatory, antioxidant, antitumor, and anti-HIV AIDS potentials.

Uralenol significantly shows the inhibitory activities against the PTP1B enzyme; it also shows inhibitory activities on mushroom tyrosinase using l-tyrosine as substrate( IC50 =49.5 μM). Uralenol shows potent anti-proliferation effects on ER-positive breast cancer MCF-7 cells in vitro.

Catalpalactone exhibits high antitermitic, and cytotoxic activities, it exhibits potent inhibitory effects on lipopolysaccharide-induced NO synthesis in RAW 264.7 cells , with IC50 values of 9.80 microM. Catalpalactone can inhibit dopamine biosynthesis by