TP53I3 Human

Tumor Protein p53 Inducible Protein 3 Human Recombinant
Cat. No.
BT20923
Source
Escherichia Coli.
Synonyms
TP53I3, PIG3, Quinone Oxidoreductase, tumor protein p53 inducible protein 3.
Appearance
Sterile filtered colorless solution.
Purity
Greater than 90% as determined by SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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In Stock

Description

TP53I3 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 352 amino acids (1-332 a.a.) and having a molecular mass of 37.6 kDa. TP53I3 protein is fused to a 20 amino acid His tag at N-terminus and is purified by standard chromatography.

Product Specs

Introduction
TP53I3 is involved in the production of reactive oxygen species (ROS). It exhibits low NADPH-dependent naphtoquinone reductase activity, favoring 1,2-naphtoquinone over 1,4-naphtoquinone. Additionally, TP53I3 displays weak NADPH-dependent diamine reductase activity in vitro. Found in the cytoplasm, TP53I3 is upregulated in both primary and transformed cell cultures upon exposure to genotoxic agents. Notably, microsatellite polymorphism in TP53I3 is linked to varying levels of susceptibility to cancer.
Description
Recombinant Human TP53I3, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 352 amino acids (residues 1-332) with a molecular weight of 37.6 kDa. A 20 amino acid His tag is fused to the N-terminus of the TP53I3 protein. Purification is achieved through standard chromatographic techniques.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The solution contains 1mg/ml of TP53I3 in a buffer consisting of 20mM Tris HCl (pH 8), 0.1M NaCl, and 10% glycerol.
Stability
For short-term storage (2-4 weeks), the solution should be kept at 4°C. For extended storage, it is recommended to freeze the solution at -20°C. Adding a carrier protein like HSA or BSA (0.1%) is advisable for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
The purity is determined to be greater than 90% using SDS-PAGE analysis.
Synonyms
TP53I3, PIG3, Quinone Oxidoreductase, tumor protein p53 inducible protein 3.
Source
Escherichia Coli.
Amino Acid Sequence

MGSSHHHHHH SSGLVPRGSH MLAVHFDKPG GPENLYVKEV AKPSPGEGEV LLKVAASALN RADLMQRQGQ YDPPPGASNI LGLEASGHVAELGPGCQGHW KIGDTAMALL PGGGQAQYVT VPEGLLMPIP EGLTLTQAAA IPEAWLTAFQ LLHLVGNVQA GDYVLIHAGL SGVGTAAIQLTRMAGAIPLV TAGSQKKLQM AEKLGAAAGF NYKKEDFSEA TLKFTKGAGV NLILDCIGGS YWEKNVNCLA LDGRWVLYGL MGGGDINGPLFSKLLFKRGS LITSLLRSRD NKYKQMLVNA FTEQILPHFS TEGPQRLLPV LDRIYPVTEI QEAHKYMEAN KNIGKIVLEL PQ.

Product Science Overview

Function and Mechanism

TP53I3 is similar to oxidoreductases, enzymes that play a role in cellular responses to oxidative stress and irradiation . The protein is involved in p53-mediated cell death, which is a critical mechanism for preventing the proliferation of cells with damaged DNA . When cells are exposed to genotoxic agents, TP53I3 is localized to the cytoplasm and is induced in both primary and transformed cell cultures .

Role in Cancer

The TP53 gene, which encodes the p53 protein, is mutated in approximately half of all human cancers . Mutations in this gene often lead to the loss of p53’s tumor-suppressing functions, resulting in uncontrolled cell proliferation and tumor development . TP53I3, being a downstream target of p53, is also implicated in these processes. The protein’s role in oxidative stress response and apoptosis makes it a significant player in the cellular mechanisms that prevent cancer progression .

Research and Therapeutic Potential

Given its involvement in p53-mediated pathways, TP53I3 is a subject of interest in cancer research. Understanding its function and regulation could lead to new therapeutic strategies aimed at restoring p53’s tumor-suppressing activities in cancers where TP53 is mutated . Additionally, TP53I3’s role in oxidative stress response suggests potential applications in therapies targeting cellular redox balance .

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