Bacteria-Derived Artemin Recombinant Protein Lyophilized from Innovative Research has been recombinantly produced in E.coli. The protein formulation is lyophilized from a 0.2 ?m filtered solution of 4mM HCl. with a purity of > 95% as determined by reducing SDS-PAGE..

More Details:

• Species: Human
• Target: Artemin
• Purity: > 95% as determined by reducing SDS-PAGE..< 1.0 EU per ?g as determined by the LAL method.
• Source: E.coli
• Storage Conditions: Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8? for 2-7 days. Aliquots of reconstituted samples are stable at < -20? for 3 months.

Human Artemin is a GDNF family ligand that is distantly related to the TGF-? superfamily of molecules. It is synthesized as a preproprotein, and contains a variable length pre-, or signal sequence, plus a 68 amino acid (aa) proregion and a 113 aa mature segment. Following synthesis and proteolytic processing, mature ARTN is secreted as a presumably glycosylated, 28 kDa disulfide-linked homodimer that contains three intrachain disulfide bonds and the typical TGF-? signature cysteine-knot motif. In the mature region, human ARTN is 89% and 88% aa identical to rat and mouse ARTN, respectively. Human ARTN is active on rodent cells. The receptor for ARTN has been identified as the ligand binding subunit GFR?-3 plus the signal transducing subunit, RET. The GFR?-1/RET receptor complex has also been suggested to be a ligand binding unit for ARTN. ARTN is known to be a chemoattractant for sympathetic neuron axons innervating the developing cardiovascular system. It also promotes sensory neuron survival and likely plays a role in the development of the peripheral nervous system. Finally, it has been reported to reverse neuropathic pain due to nerve injury, and to help resolve morphological changes associated with nerve damage.

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