NRTN Human

Neurturin Human Recombinant
Cat. No.
BT12346
Source
Escherichia Coli.
Synonyms
Neurturin.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 96.0% as determined by: 
(a) Analysis by RP-HPLC.
(b) Analysis 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

NRTN Human Recombinant produced in E.Coli is a homodimeric non-glycosylated polypeptide chains consisting of two 102 amino acids and having a molecular mass of 23.4kDa. 

Product Specs

Introduction
NRTN, a member of the GDNF family of ligands within the TGF-beta superfamily, plays a crucial role in neuronal survival and development. It binds to GFRA2 receptors and signals through RET and a GPI-linked coreceptor. NRTN supports the survival of neuronal populations, regulates the size of non-neuronal cell populations like haemopoietic cells, and contributes to the development and maintenance of the central nervous system. Mutations in the NRTN gene can lead to Hirschsprung Disease.
Description
Recombinant Human NRTN, produced in E. coli, is a non-glycosylated polypeptide with a homodimeric structure. Each chain consists of 102 amino acids, resulting in a molecular weight of 23.4 kDa.
Physical Appearance
The product appears as a sterile, white powder that has been lyophilized (freeze-dried).
Formulation
The lyophilized NRTN protein is prepared in a buffer solution containing 30 mM Citrate Sodium (pH 4.2), 400 mM NaCl, and 0.02% Tween-20. The solution is filtered through a 0.2 μm filter before lyophilization.
Solubility

To reconstitute the lyophilized NRTN, it is recommended to dissolve it in sterile 18 MΩ-cm H2O to a concentration of at least 0.5 mg/ml. The reconstituted solution can be further diluted in other aqueous solutions as needed.

Stability
Lyophilized NRTN remains stable at room temperature for up to 3 weeks; however, for long-term storage, it should be stored desiccated at temperatures below -18°C. Once reconstituted, the NRTN solution should be stored at 4°C for 2-7 days. For extended storage periods, adding a carrier protein such as HSA or BSA (0.1%) is recommended. Avoid repeated freeze-thaw cycles to maintain protein stability.
Purity
The purity of the NRTN protein is greater than 96%, as determined by the following methods:
(a) Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) analysis.
(b) Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis (SDS-PAGE) analysis.
Biological Activity
The NRTN protein exhibits full biological activity comparable to the standard. Its activity is assessed by its binding ability in a functional ELISA.
Synonyms
Neurturin.
Source
Escherichia Coli.
Amino Acid Sequence
ARLGARPCGL RELEVRVSEL GLGYASDETV LFRYCAGACE AAARVYDLGL RRLRQRRRLR RERVRAQPCC RPTAYEDEVS FLDAHSRYHT VHELSARECA CV 

Product Science Overview

Structure and Expression

Neurturin is synthesized as a precursor protein that is cleaved at a dibasic cleavage site to release the carboxy-terminal domain . The carboxy-terminal domain contains seven conserved cysteine residues necessary for forming the cysteine-knot and the single interchain disulfide bond . Biologically active human Neurturin is a disulfide-linked homodimer of the carboxy-terminal 102 amino acid residues .

Biological Activity

Neurturin is expressed in both neuronal and non-neuronal tissues . It plays a crucial role in regulating the development and maintenance of the central and peripheral nervous systems, as well as non-neuronal systems . Neurturin preferentially binds to GFRα-2 but can also bind GFRα-1 at higher concentrations . The bioactivities of all GDNF family ligands are mediated through a unique multicomponent receptor complex composed of high-affinity ligand-binding components (GFRα-1 to GFRα-4) and a common signaling component (cRET receptor tyrosine kinase) .

Recombinant Human Neurturin

Recombinant human Neurturin is typically produced in E. coli and has a predicted molecular mass of approximately 11.8 kDa (monomer) . It is often used in research to study its effects on cell proliferation, particularly in neuroblastoma cells . The recombinant protein is available in both carrier-free and carrier-containing formulations, with the carrier protein usually being Bovine Serum Albumin (BSA) .

Applications

Recombinant human Neurturin is used in various research applications, including cell culture and ELISA standards . It is also utilized to study its binding ability in functional assays, such as ELISA . The protein’s stability and storage conditions are crucial for maintaining its biological activity, with recommendations to store it at -20 to -70°C and avoid repeated freeze-thaw cycles .

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