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Sigma-Aldrich

Poly(Glu, Tyr) Natriumsalz

suitable for ligand binding assays, Mol wt 20,000-50,000

Synonym(e):

Poly-(L-glutaminsäure-L-tyrosin) Natriumsalz

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About This Item

CAS-Nummer:
97105-00-5
MDL-Nummer:
MFCD00148022
UNSPSC-Code:
12352209
NACRES:
NA.26

product name

Poly(Glu, Tyr) Natriumsalz, mol wt 20,000-50,000, Glu:Tyr 4:1

Qualitätsniveau

200

Form

powder

Zufuhrverhältnis

Glu:Tyr (4:1)

Mol-Gew.

20,000-50,000

Methode(n)

ligand binding assay: suitable

Farbe

white to off-white

Lagertemp.

−20°C

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Biochem./physiol. Wirkung

Poly(Glu,Tyr) (poly(Glu,Tyr) 4:1 random copolymer) is used as a substrate for the evaluation of protein tyrosine kinase(s).
Poly(Glu,Tyr) 4:1 is a polyamino acid used in the manufacture of electrochemical biosensors for detection of reactions such as Fenton induced tyrosine oxidation.

Sonstige Hinweise

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Morten R Clausen et al.
Journal of agricultural and food chemistry, 56(18), 8692-8698 (2008-09-02)
Oxidation of 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) by lactoperoxidase was found to be inhibited by tyrosine-containing random amino acid copolymers but not by tyrosine. Both electrostatic effects and polymer size were found to be important by comparison of negatively and positively charged copolymers
Masanobu Chiku et al.
Biosensors & bioelectronics, 26(1), 235-240 (2010-07-17)
In this report, we determined protein tyrosine kinase (PTKs) activity in human epidermoid carcinoma cells (A431) by employing a novel electrochemical method using boron-doped diamond (BDD) electrodes that enables the electrochemical oxidation of tyrosine (Tyr), phosphorylated Tyr (Tyr-P) and sulfated
J Shao et al.
Diabetes, 49(4), 603-610 (2000-06-28)
The cellular mechanisms for the insulin resistance of pregnancy and gestational diabetes mellitus (GDM) are unknown. The membrane protein plasma cell membrane glycoprotein-1 (PC-1) has been identified as an inhibitor of insulin receptor tyrosine kinase (IRTK) activity. We investigated insulin
Na Qu et al.
Biosensors & bioelectronics, 26(5), 2292-2296 (2010-11-03)
A simple and sensitive electrochemical biosensor was used to detect tyrosine oxidation induced by hydroxyl radicals generated by Fenton reaction (Fe(2+)/H(2)O(2)). Poly(glu, tyr) (4:1) peptides were immobilized on indium tin oxide (ITO) electrode surface via layer-by-layer assembly technique, and Os(bpy)(3)(2+)-mediated
Jane A Beebe et al.
The Journal of biological chemistry, 278(29), 26810-26816 (2003-05-15)
The expression of certain COOH-terminal truncation mutants of the epidermal growth factor receptor (EGFR) can lead to cell transformation, and with ligand stimulation, a broader spectrum of phosphorylated proteins appears compared with EGF-treated cells expressing wild-type EGFR. Accordingly, it has
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