Product
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CNTF, Human
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Cat#
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101-30-20B
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Sequence
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AFTEHSPLTP HRRDLCSRSI WLARKIRSDL TALTESYVKH
QGLNKNINLD SADGMPVAST DQWSELTEAE RLQENLQAYR
TFHVLLARLL EDQQVHFTPT EGDFHQAIHT LLLQVAAFAY
QIEELMILLE YKIPRNEADG MPINVGDGGL FEKKLWGLKV
LQELSQWTVR SIHDLRFISS HQTGIPARGS HYIANNKKM
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Unit/Weight
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50 μg
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Unit Price
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$152.00
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Description
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Ciliary Neurotrophic Factor (CNTF) is a cytokine belonging to the Interleukin 6 (IL-6) family, which also includes IL-6, Oncostatin M, Leukemia Inhibitory Factor (LIF), and Cardiotrophin-1. Structurally, CNTF resembles a four-helix bundle composition, similar to the other members of the IL-6 family. The receptor for CNTF is composed of three parts: a gp130-like subunit common in the IL-6 receptor family, a LIF Receptor β subunit, and a CNTF specific α receptor subunit. Upon binding to the CNTF, the β subunit of the CNTF receptor will undergo tyrosine phosphorylation, and activate the intracellular JAK/STAT pathway. The main function of CNTF in vivo is to promote the differentiation and survival of a variety of neurons and glial cells, including sympathetic precursor cells and spinal motor neurons.
Recombinant human Ciliary Neurotrophic Factor (rhCNTF) produced in E. coli is a single non-glycosylated polypeptide chain containing 199 amino acids. A fully biologically active molecule, rhCNTF has a molecular mass of 22.8 kDa analyzed by reducing SDS-PAGE and is obtained by proprietary chromatographic techniques at Pepmic.
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Molecular Weight
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22.8 kDa, observed by reducing SDS-PAGE.
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Purity
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> 95% as analyzed by SDS-PAGE and HPLC.
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Storage
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Lyophilized recombinant human Ciliary Neurotrophic Factor (rhCNTF) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rhCNTF remains stable up to 2 weeks at 4°C or up to 3 months at -20°C.
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