DUSP23 Human, Active

Dual Specificity Phosphatase 23 Human Recombinant, Active
Cat. No.
BT28103
Source
Escherichia Coli.
Synonyms

Dual specificity protein phosphatase 23, Low molecular mass dual specificity phosphatase 3, LDP-3, VH1-like phosphatase Z, DUSP23, LDP3, VHZ, VH1-Like Member Z, EC 3.1.3.16, EC 3.1.3.48, DUSP25, MOSP, LDP3, Dual Specificity Phosphatase 23, VH1-Like Phosphatase Z, LDP-3, VHZ, Low-Molecular-Mass Dual-Specificity Phosphatase 3, Low Molecular Mass Dual Specificity Phosphatase 3, Dual Specificity Protein, Phosphatase 23, Testicular Tissue Protein Li 59.

Appearance
Sterile Filtered clear solution.
Purity

Greater than 90% as determined by SDS-PAGE.

Usage

THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Shipped with Ice Packs
In Stock

Description

DUSP23 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 170 amino acids (1-150 a.a) and having a molecular mass of 18.8kDa.
DUSP23 is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
DUSP23, a member of the protein-tyrosine phosphatase family, functions as a protein phosphatase. It facilitates the dephosphorylation of proteins phosphorylated at tyrosine (Tyr) and serine/threonine (Ser/Thr) residues. In vitro studies have demonstrated DUSP23's ability to dephosphorylate p44-ERK1 (MAPK3) but not p54 SAPK-beta (MAPK10). Moreover, DUSP23 enhances the activation of JNK and p38(MAPK14).
Description
DUSP23 Human Recombinant, produced in E.coli, is a single, non-glycosylated polypeptide chain comprising 170 amino acids (specifically, amino acids 1 to 150). It possesses a molecular mass of 18.8 kDa. A 20 amino acid His-tag is fused to the N-terminus of DUSP23. Purification is achieved through proprietary chromatographic techniques.
Physical Appearance
Clear solution, sterile, and filtered.
Formulation
The DUSP23 protein solution is provided at a concentration of 1 mg/ml. It is formulated in a buffer consisting of 20mM Tris-HCl (pH 8.0), 2mM DTT, 10% glycerol, and 100mM NaCl.
Stability
For optimal storage, maintain the vial at 4°C if it will be fully utilized within 2 to 4 weeks. For prolonged storage periods, freeze at -20°C. Adding a carrier protein like HSA or BSA (0.1%) is recommended for long-term storage. It's crucial to avoid subjecting the solution to multiple freeze-thaw cycles.
Purity
The purity of DUSP23 is determined by SDS-PAGE analysis and is guaranteed to be greater than 90%.
Biological Activity
The specific activity of DUSP23 is measured as greater than 200 units/mg. This value represents the enzyme's ability to hydrolyze 1.0 nanomole of p-nitrophenyl phosphate (pNPP) per minute at a pH of 7.5 and a temperature of 37°C.
Synonyms

Dual specificity protein phosphatase 23, Low molecular mass dual specificity phosphatase 3, LDP-3, VH1-like phosphatase Z, DUSP23, LDP3, VHZ, VH1-Like Member Z, EC 3.1.3.16, EC 3.1.3.48, DUSP25, MOSP, LDP3, Dual Specificity Phosphatase 23, VH1-Like Phosphatase Z, LDP-3, VHZ, Low-Molecular-Mass Dual-Specificity Phosphatase 3, Low Molecular Mass Dual Specificity Phosphatase 3, Dual Specificity Protein, Phosphatase 23, Testicular Tissue Protein Li 59.

Source
Escherichia Coli.
Amino Acid Sequence

MGSSHHHHHH SSGLVPRGSH MGVQPPNFSW VLPGRLAGLA LPRLPAHYQF LLDLGVRHLV SLTERGPPHS DSCPGLTLHR LRIPDFCPPA PDQIDRFVQI VDEANARGEA VGVHCALGFG RTGTMLACYL VKERGLAAGD AIAEIRRLRP GSIETYEQEK AVFQFYQRTK.

Product Science Overview

Introduction

DUSP23 is a protein-coding gene that plays a crucial role in various cellular processes by regulating the phosphorylation state of target proteins . Phosphorylation and dephosphorylation of proteins are essential mechanisms for controlling cellular activities such as signal transduction, cell division, and metabolism . DUSP23 is involved in the dephosphorylation of specific substrates, thereby modulating their activity and function .

Preparation Methods

The recombinant form of DUSP23 is typically produced using recombinant DNA technology. This involves cloning the DUSP23 gene into an expression vector, which is then introduced into a suitable host cell, such as Escherichia coli or mammalian cells . The host cells are cultured under conditions that promote the expression of the DUSP23 protein. After sufficient expression, the protein is purified using various chromatographic techniques to obtain the active recombinant enzyme .

Chemical Reactions Analysis

DUSP23 mediates the dephosphorylation of proteins phosphorylated on tyrosine and serine/threonine residues . In vitro studies have shown that DUSP23 can dephosphorylate p44-ERK1 (MAPK3) but not p54 SAPK-beta (MAPK10) . Additionally, DUSP23 has been found to enhance the activation of JNK and p38 (MAPK14), which are important components of the mitogen-activated protein kinase (MAPK) signaling pathways . These pathways are involved in various cellular responses, including inflammation, stress response, and apoptosis .

DUSP23 also plays a role in the regulation of the transcription factor GCM1 (Glial Cells Missing Homolog 1), which is essential for placental development . The interaction between DUSP23 and GCM1 is enhanced by PKA-dependent phosphorylation of GCM1, leading to the dephosphorylation of GCM1 and its subsequent activation . This regulation is crucial for promoting placental cell fusion and vasculogenesis .

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