Merck
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567540

Sigma-Aldrich

Sodium Orthovanadate

A broad spectrum potent inhibitor of protein tyrosine phosphatases.

Synonym(s):
Sodium Orthovanadate, PTP Inhibitor X
Empirical Formula (Hill Notation):
Na3O4V
CAS Number:
Molecular Weight:
183.91
MDL number:

Quality Level

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white to off-white

solubility

water: 10 mg/mL

shipped in

ambient

storage temp.

10-30°C

InChI

1S/3Na.4O.V/q3*+1;;3*-1;

InChI key

IHIXIJGXTJIKRB-UHFFFAOYSA-N

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This Item
203694203701459620
Sodium Orthovanadate A broad spectrum potent inhibitor of protein tyrosine phosphatases.

Sigma-Aldrich

567540

Sodium Orthovanadate

bpV(bipy) A potent inhibitor of phosphotyrosine phosphatase (Ki = 100 nM for insulin receptor dephosphorylation).

Sigma-Aldrich

203694

bpV(bipy)

bpV(HOpic) A potent phosphotyrosine phosphatase inhibitor.

Sigma-Aldrich

203701

bpV(HOpic)

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

storage condition

OK to freeze, protect from light

storage condition

OK to freeze, protect from light

storage condition

OK to freeze, protect from light

color

white to off-white

color

yellow to orange

color

yellow

color

white

solubility

water: 10 mg/mL

solubility

water: 5 mg/mL

solubility

water: 4 mg/mL

solubility

water: 1 mg/mL, DMSO: 20 mg/mL, ethanol: 20 mg/mL

shipped in

ambient

shipped in

ambient

shipped in

ambient

shipped in

ambient

General description

A broad spectrum potent inhibitor of protein tyrosine phosphatases. Also known to inhibit Na+,K+-ATPase, acid and alkaline phosphatases, phosphofructokinase, and adenylate kinase. Also inhibits the ATPase activity of the reconstituted binding protein-dependent ATP-Binding Cassette (ABC) transporter for maltose (MalFGK2) of Salmonella typhimurium in the micromolar range. Can be converted to pervanadate by hydrogen peroxide.
A broad spectrum potent inhibitor of protein tyrosine phosphatases. Also known to inhibit Na+/K+ ATPase, acid and alkaline phosphatases, phosphofructokinase, and adenylate kinase. Most recently shown to inhibit ATPase activity of the reconstituted binding protein-dependent ATP-Binding Cassette (ABC) transporter for maltose (MalFGK2) of Salmonella typhimurium in the micromolar range. Can be converted to pervanadate by hydrogen peroxide.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Na+,K+-ATPase, acid , alkaline phosphatases, phosphofructokinase, and adenylate kinase
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Harmful (C)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Huyer, G., et al. 1997. J. Biol. Chem. 272, 843.
Hunke, S., et al. 1995. Biochem. Biophys. Res. Commun.216, 589.
Levchuck, S.G., et al. 1994. Pediatric Res.37, 382A.
Fohr, K.J., et al. 1989. Biochem. J.262, 83.
Swarup, G., et al. 1982. Biochem. Biophys. Res. Commun.107, 1104.
Seargeant, L.E. and Stinson, R.A. 1979. Biochem. J.181, 247.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Articles

Phosphoprotein Phosphatases (Tyrosine)

Protein tyrosine phosphatases (PTPs) and related enzymes (more than a hundred coded by the human genome) are more numerous than serine/threonine phosphatases. They belong to four families, three of which possess a conserved cysteine for catalysis and some conserved features of 3-dimensional structure. The catalytic mechanism of these PTPs involves the transient formation of a covalently phosphorylated enzyme.

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