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T3754

Sigma-Aldrich

L-tirosina

≥98% (HPLC)

Sinonimo/i:

3-(4-idrossifenil)-L-alanina, Acido (S)-2-ammino-3-(4-idrossifenil)propionico

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About This Item

Formula condensata:
4-(HO)C6H4CH2CH(NH2)CO2H
Numero CAS:
60-18-4
Peso molecolare:
181.19
Beilstein:
392441
Numero CE:
200-460-4
Numero MDL:
MFCD00002606
Codice UNSPSC:
12352209
eCl@ss:
32160406
ID PubChem:
24900164
NACRES:
NA.26

product name

L-tirosina, reagent grade, ≥98% (HPLC)

Grado

reagent grade

Livello qualitativo

200

Saggio

≥98% (HPLC)

Forma fisica

powder

Colore

white to off-white

Punto di fusione

>300 °C (dec.) (lit.)

Solubilità

1 M HCl: soluble 50 mg/mL

applicazioni

detection

Stringa SMILE

N[C@@H](Cc1ccc(O)cc1)C(O)=O

InChI

1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1
OUYCCCASQSFEME-QMMMGPOBSA-N

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Applicazioni

L-Tyrosine has been used to prepare tyrosine solution for tyrosinase assay. It has also been used to assay pepsin activity.

Azioni biochim/fisiol

L-Tyrosine is a non-essential amino acid with a polar side chain. It is utilized by cells to synthesize proteins that have a role in signal transduction. L-Tyrosine is a proteogenic amino acid that acts as a receiver of phosphate groups that are transferred by kinases.

Altre note

Precursore aminoacidico della dopamina e di altre catecolamine

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
BCCG7329
BCCF3115
0000109296
0000085907
0000085894

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Tirosinasi lyophilized powder, ≥1000 unit/mg solid

Sigma-Aldrich

T3824

Tirosinasi

L-Tryptophan reagent grade, ≥98% (HPLC)

Sigma-Aldrich

T0254

L-Tryptophan

1-(CARBAMOYLMETHYL)-PYRIDINIUM CHLORIDE AldrichCPR

S501441

1-(CARBAMOYLMETHYL)-PYRIDINIUM CHLORIDE

L-tirosina United States Pharmacopeia (USP) Reference Standard

USP

1705006

L-tirosina

DL-Tyrosine 99%

Sigma-Aldrich

145726

DL-Tyrosine

(S)-(-)-Tyrosine for synthesis

Sigma-Aldrich

8.16021

(S)-(-)-Tyrosine

Study of Physiochemical Parameters for Optimizing Tyrosinase Activity in Rhodococcus ruber C4 and Pseudomonas geniculata C7/C10
Sapna S. Ingle
Journal of Pharmacy Research, 9(6) (2015)
Effect of insoluble fiber supplementation applied at different ages on digestive organ weight and digestive enzymes of layer-strain poultry
J. S. Yokhana
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Karen Timberlake
Chemistry, An Introduction to General, Organic, and Biological Chemistry (2016)
John W Hill
Chemistry for Changing Times (2016)
Keisuke Saito et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(19), 7690-7695 (2013-04-20)
Using quantum mechanics/molecular mechanics calculations and the 1.9-Å crystal structure of Photosystem II [Umena Y, Kawakami K, Shen J-R, Kamiya N (2011) Nature 473(7345):55-60], we investigated the H-bonding environment of the redox-active tyrosine D (TyrD) and obtained insights that help
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Articoli

Enzymatic Assay of Proteinase K with Hemoglobin Substrate

Proteinase K (EC 3.4.21.64) activity can be measured spectrophotometrically using hemoglobin as the substrate. Proteinase K hydrolyzes hemoglobin denatured with urea, and liberates Folin-postive amino acids and peptides. One unit will hydrolyze hemoglobin to produce color equivalent to 1.0 μmol of tyrosine per minute at pH 7.5 at 37 °C (color by Folin & Ciocalteu's Phenol Reagent).

Enzymatic Assay of Proteinase K with Hemoglobin Substrate

Proteinase K (EC 3.4.21.64) activity can be measured spectrophotometrically using hemoglobin as the substrate. Proteinase K hydrolyzes hemoglobin denatured with urea, and liberates Folin-postive amino acids and peptides. One unit will hydrolyze hemoglobin to produce color equivalent to 1.0 μmol of tyrosine per minute at pH 7.5 at 37 °C (color by Folin & Ciocalteu's Phenol Reagent).

Protocolli

Enzymatic Assay of Proteinase K (EC 3.4.21.64)

Proteinase K (EC 3.4.21.64) activity can be measured spectrophotometrically using hemoglobin as the substrate. Proteinase K hydrolyzes hemoglobin denatured with urea, and liberates Folin-postive amino acids and peptides. One unit will hydrolyze hemoglobin to produce color equivalent to 1.0 μmol of tyrosine per minute at pH 7.5 at 37 °C (color by Folin & Ciocalteu's Phenol Reagent).

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