Neuropoietin is a newly identified member of the IL-6 cytokine family. Members of this family, including IL-6, IL-11, oncostatin M, leukemia inhibitory factor (LIF), cardiotrophin-1 (CT-1), cardiotrophin-like cytokine, and CNTF, display a four-helix bundle structure, and signal through gp130-containing receptor complexes. Neuropoietin, which is predominantly expressed in neuroepithelia during embryonic life, acts through a receptor complex comprising CNTF receptor-a component, gp 130, and LIF receptor. Like CNTF, it promotes the survival of embryonic motor neurons and could increase the proliferation of neural precursor cells in the presence of EGF and FGF-2. Interestingly, the human Neuropoietin gene has evolved toward a pseudogene, suggesting that the alternative signaling via CNTF is an effective compensatory pathway. Recombinant murine Neuropoietin is a 19.8 kDa protein containing 183 amino acid residues.
NP, Gm494, Cardiotrophin-2, Neuropoietin, CT-2
E. coli
MAPISPSEPI GQAYSLALYM QKNTSALLQT YLQHQGSPFS DPGFSAPELQ LSTLPSAAVS FKTWHAMEDA ERLSRAQGAF LALTQHLQLV GDDQSYLNPG SPILLAQLGA ARLRAQGLLG NMAAIMTALG LPIPPEEDTL GFVPFGASAF ERKCRGYIVT REYGHWTDRA VRDLALLKAK YSA
The ED50 was determined by the dose - dependent stimulation of the proliferation of human TF - 1 cells is 0.5 - 0.8 μg/mL.
The lyophilized Neuropoietin recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted Neuropoietin is stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing Neuropoietin recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature.
38524598
NP_942155.1
Greater than 98% by SDS-PAGE gel and HPLC analyses.Endotoxin level is less than 0.1 ng per μg (1EU/μg).
This product is for research use only.
Murine
Lyophilized
244218
cardiotrophin 2
Mus musculus
P83714
Recombinants or rec. proteins
recombinants