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  • 產品名稱:重組人睫狀神經營養(yǎng)因子蛋白

  • 產品型號:rHuCNTF
  • 產品廠商:KALANG
  • 產品文檔:
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簡單介紹:
重組人睫狀神經營養(yǎng)因子蛋白與其它公司提供的重組蛋白不同,rHuCNTF蛋白產品為采用CFS的無細胞麥胚蛋白合成系統(tǒng)表達出來的重組蛋白,可表達出對細胞有毒性、易被蛋白酶降解的蛋白;并獲得具有良好的可溶性,并有翻譯后修飾、從而部分具有功能的蛋白.同時獨有的全自動蛋白純化技術則簡便高效,將蛋白純化過程中對蛋白的損傷降低到*小程度.重組人睫狀神經營養(yǎng)因子蛋白(全長序列)產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.
詳情介紹:

重組人睫狀神經營養(yǎng)因子蛋白

Synonyms CNTF
Species Human
Accession P26441
GeneID 1270
Source Escherichia coli.
Molecular Weight 重組人睫狀神經營養(yǎng)因子蛋白Approximately 22.9 kDa, a single non-glycosylated polypeptide chain containing 200 amino acids.
Quantity 5μg/20μg/1000μg
AA Sequence MAFTEHSPLT PHRRDLCSRS IWLARKIRSD LTALTESYVK HQGLNKNINL DSADGMPVAS TDQWSELTEA ERLQENLQAY RTFHVLLARL LEDQQVHFTP TEGDFHQAIH TLLLQVAAFA YQIEELMILL EYKIPRNEAD GMPINVGDGG LFEKKLWGLK VLQELSQWTV RSIHDLRFIS SHQTGIPARG SHYIANNKKM
Purity > 97 % by SDS-PAGE and HPLC analyses.
Biological Activity Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 150 ng/ml, corresponding to a specific activity of > 6.7 × 103 IU/mg.
Physical Appearance 重組人睫狀神經營養(yǎng)因子蛋白Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin Less than 1 EU/μg of rHuCNTF as determined by LAL method.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage 重組人睫狀神經營養(yǎng)因子蛋白This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重組人睫狀神經營養(yǎng)因子蛋白
Reference 1. Lam A, Fuller F, Miller J, et al. 1991. Gene. 102:271-6.
2. Bazan JF. 1991. Neuron. 7:197-208.
3. McGregor NE, Poulton IJ, Walker EC, et al. 2010. Calcif Tissue Int. 86:261-70.
4. Lambert PD, Anderson KD, Sleeman MW, et al. 2001. Proc Natl Acad Sci U S A. 98:4652-7.
Background Ciliary neurotrophic factor (CNTF) is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. It was initially identified as a trophic factor for embryonic chick ciliary parasympathetic neurons in culture. The protein is also a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. In addition, CNTF is useful for treatment of motor neuron disease and it could reduce food intake without causing hunger or stress. CNTF is structurally related to IL-6, IL-11, LIF and OSM. All of these four helix bundle cytokines share gp130 as a signal-transducing subunit in their receptor complexes. Recombinant human CNTF containing 200 amino acids and it shares 82 % and 83 % a.a. sequence identity with mouse and rat CNTF.

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