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  • 產(chǎn)品名稱:重組鼠巨噬細(xì)胞集落刺激因子蛋白

  • 產(chǎn)品型號(hào):rMuM-CSF
  • 產(chǎn)品廠商:KALANG
  • 產(chǎn)品文檔:
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重組鼠巨噬細(xì)胞集落刺激因子蛋白與其它公司提供的重組蛋白不同,rMuM-CSF蛋白產(chǎn)品為采用CFS的無(wú)細(xì)胞麥胚蛋白合成系統(tǒng)表達(dá)出來的重組蛋白,可表達(dá)出對(duì)細(xì)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(shí)獨(dú)有的全自動(dòng)蛋白純化技術(shù)則簡(jiǎn)便高效,將蛋白純化過程中對(duì)蛋白的損傷降低到*小程度.重組鼠巨噬細(xì)胞集落刺激因子蛋白(全長(zhǎng)序列)產(chǎn)品可用于Western Blot驗(yàn)證、抗體制備、蛋白檢測(cè)、ELISA等試驗(yàn)中.
詳情介紹:

重組鼠巨噬細(xì)胞集落刺激因子蛋白

Synonyms CSF-1, MGI-IM
Species Murine
Accession Q3U4F9
Unigene Mm.795.
Source Escherichia coli.
Molecular Weight 重組鼠巨噬細(xì)胞集落刺激因子蛋白Approximately 52.0 kDa, a disulfide-linked homodimer consisting of two 230 amino acid polypeptide chains.
Quantity 2μg/10μg/1000μg
AA Sequence KEVSEHCSHM IGNGHLKVLQ QLIDSQMETS CQIAFEFVDQ EQLDDPVCYL KKAFFLVQDI IDETMRFKDN TPNANATERL QELSNNLNSC FTKDYEEQNK ACVRTFHETP LQLLEKIKNF FNETKNLLEK DWNIFTKNCN NSFAKCSSRD VVTKPDCNCL YPKATPSSDP ASASPHQPPA PSMAPLAGLA WDDSQRTEGS SLLPSELPLR IEDPGSAKQR PPRSTCQTLE
Purity 重組鼠巨噬細(xì)胞集落刺激因子蛋白> 95 % 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 murine M-NFS-60 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 105 IU/mg.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered solution in 20 mM Tris, 500 mM NaCl, pH 7.4.
Endotoxin 重組鼠巨噬細(xì)胞集落刺激因子蛋白Less than 1 EU/μg of rMuM-CSF 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 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.
重組鼠巨噬細(xì)胞集落刺激因子蛋白
Reference 1. Cosman D, Wignall J, Anderson D, et al. 1988. Behring Inst Mitt: 15-26.
2. Metcalf D, Willson T, Rossner M, et al. 1994. Growth Factors, 11: 145-52.
3. Hidaka T, Fujimura M, Nakashima A, et al. 2002. Jpn J Cancer Res, 93: 426-35.
4. Kubota Y, Takubo K, Shimizu T, et al. 2009. J Exp Med, 206: 1089-102.
Background Macrophage Colony Stimulating Factor (M-CSF), also named CSF-1, is a hematopoietic growth factor that is involved in the proliferation, differentiation, and survival of monocytes, macrophages, and bone marrow progenitor cells. It is produced by osteoblasts (as a result of endocrine stimulation by parathyroid hormone) exerts paracrine effects on osteoclasts and can interact with CSF1R. M-CSF is a four α-helical bundle cytokine and its active form is found extracellularly as a disulfide-linked homodimer. Four transcript variants encoding three different isoforms have been reported for M-CSF gene. Although forms may vary, all of them contain the N-terminal 150 a.a. portion that is necessary and sufficient for interaction with the receptor. The first 229 a.a. of mature mouse M-CSF shares 87 %, 83 %, 82 % and 81 % sequence identity with corresponding regions of rat, dog, cow and human M-CSF, respectively. Human M-CSF is active in the mouse, but mouse M-CSF is reported to be species-specific.

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