D-Tyrosine | CAS:556-02-5 | Manufacturer ChemFaces

D-Tyrosine

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Description:

D-Tyrosine as a chiral precusor to potent inhibitors of human nonpancreatic secretory phospholipase A2 (IIa) with antiinflammatory activity. It as a metabolic inhibitor of Bacillus subtilis.D-Tyrosine prevents hypertension in DOCA-saline treated uninephrectomised rats.

In vitro:

Journal of Bacteriology, 1969, 98(1):205-214.

D-Tyrosine as a metabolic inhibitor of Bacillus subtilis.[Reference: WebLink]

The d-isomer of tyrosine(D-Tyrosine) is a potent inhibitor of growth in transformable strain 168 of Bacillus subtilis.
METHODS AND RESULTS:
A D-Tyrosine-resistant mutant of the inhibited strain was isolated which excreted l-tyrosine, had a diminished growth rate, and required l-phenylalanine to attain the growth rate of the wild-type parent. Mapping by deoxyribonucleate transformation located this resistance in the gene coding for prephenate dehydrogenase. This enzyme in the D-Tyrosine-resistant mutant was insensitive to the usual feedback inhibition exerted by l-tyrosine in extracts of strain 168. In contrast, the growth of poorly transformable strain 23 of B. subtilis, as well as that of several other Bacillus species, was not affected by the analogue.
CONCLUSIONS:
Transformation mapping demonstrated no linkage of this latter "natural resistance" to several different aromatic markers. Prephenate dehydrogenase in extracts from strain 23 was as sensitive as that from strain 168 to feedback inhibition by l-tyrosine in vitro. The relationships of the latter results to the regulation of tyrosine biosynthesis and the possible nature of strain differences in D-Tyrosine sensitivity are discussed.

D-Tyrosine Description

Source:	From Chemical synthesis
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage:	Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C). Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
After receiving:	The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

Animal Research:

Pflügers Archiv European Journal of Physiology, 1979, 379(3):245.

d-Tyrosine prevents hypertension in DOCA-saline treated uninephrectomised rats.[Reference: WebLink]

METHODS AND RESULTS:
High blood pressure in DOCA-saline treated uninephrectomised rats is prevented or even reversed by tyrosine(D-Tyrosine), tyramine or by treatments which - based on circumstantial evidence - might increase local brain tyramine concentration.

Structure Identification:

Chembiochem, 2010, 4(2-3):181-185.

D-Tyrosine as a Chiral Precusor to Potent Inhibitors of Human Nonpancreatic Secretory Phospholipase A2 (IIa) With Antiinflammatory Activity[Reference: WebLink]

Few reported inhibitors of secretory phospholipase A(2) enzymes truly inhibit the IIa human isoform (hnpsPLA(2)-IIa) noncovalently at submicromolar concentrations.
CONCLUSIONS:
Herein, the simple chiral precursor D-Tyrosine was derivatised to give a series of potent new inhibitors of hnpsPLA(2)-IIa.
CONCLUSIONS:
A 2.2-A crystal structure shows an inhibitor bound in the active site of the enzyme, chelated to a Ca(2+) ion through carboxylate and amide oxygen atoms, H-bonded through an amide NH group to His48, with multiple hydrophobic contacts and a T-shaped aromatic-group-His6 interaction. Antiinflammatory activity is also demonstrated for two compounds administered orally to rats.

Product Name	D-Tyrosine
Price:	$30 / 20mg
CAS No.:	556-02-5
Catalog No.:	CFN70141
Molecular Formula:	C₉H₁₁NO₃
Molecular Weight:	181.1 g/mol
Purity:	>=98%
Type of Compound:	Alkaloids
Physical Desc.:	Powder
Source:	From Chemical synthesis
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download:	COA MSDS
Similar structural:	Comparison
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Alkaloids Compound Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	5.5218 mL	27.6091 mL	55.2181 mL	110.4362 mL	138.0453 mL
5 mM	1.1044 mL	5.5218 mL	11.0436 mL	22.0872 mL	27.6091 mL
10 mM	0.5522 mL	2.7609 mL	5.5218 mL	11.0436 mL	13.8045 mL
50 mM	0.1104 mL	0.5522 mL	1.1044 mL	2.2087 mL	2.7609 mL
100 mM	0.0552 mL	0.2761 mL	0.5522 mL	1.1044 mL	1.3805 mL

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