Human/Mouse/Rat VHR Alexa Fluor® 405-conjugated Antibody

Catalog #: FAB1654V Datasheet / COA / SDS

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FAB1654V-100UG

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Human/Mouse/Rat VHR Alexa Fluor® 405-conjugated Antibody Summary

Species Reactivity

Human, Mouse, Rat

Specificity

Detects human, mouse, and rat VHR in Western blots.

Source

Monoclonal Mouse IgG2a Clone # 237020

Purification

Protein A or G purified

Immunogen

E. coli-derived recombinant human VHR
Ser2-Pro185
Accession # P51452

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 405 (Excitation= 405 nm, Emission= 421 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: VHR

Vaccinia Virus VH1-related Phosphatase (VHR), also known as Dual-Specificity Phosphatase 3 (DUSP3), removes inorganic phosphate groups covalently attached to tyrosine, serine and threonine residues in proteins (1). It belongs to a family of phosphatases that selectively dephosphorylate MAP kinases. VHR has been shown to dephosphorylate cellular ERK1, ERK2 and JNK, but not p38 (2, 3). Phosphorylation of VHR at tyrosine 138 by ZAP-70 enhances inhibition of ERK2, suggesting a role for VHR in modulating T-cell receptor responses (3). The enzymatic mechanism for VHR has been studied in detail (4) and its X-ray crystal structure has been characterized (5). Its well-defined biochemistry has made it useful in screening assays for compounds that inhibit phosphatases (6).

Long Name

Vaccinia Virus VH1-related Phosphatase

Entrez Gene IDs

1845 (Human)

Alternate Names

dual specificity phosphatase 3; dual specificity protein phosphatase 3; Dual specificity protein phosphatase VHR; DUSP3; EC 3.1.3.16; EC 3.1.3.48; Vaccinia H1-related phosphatase; vaccinia virus phosphatase VH1-related; VHR; VHRserine/threonine specific protein phosphatase