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  • 產品名稱:重組人4-1BB配體/ TNFSF9蛋白

  • 產品型號:rHu4-1BBL/TNFSF9
  • 產品廠商:KALANG
  • 產品文檔:
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簡單介紹:
重組人4-1BB配體/ TNFSF9蛋白與其它公司提供的重組蛋白不同,rHu4-1BBL/TNFSF9蛋白產品為采用CFS的無細胞麥胚蛋白合成系統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4-1BB配體/ TNFSF9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4-1BB配體/ TNFSF9蛋白

Synonyms TNFSF9, CD137L
Species Human
Accession P41273
GeneID 8744
Source Escherichia coli.
Molecular Weight 重組人4-1BB配體/ TNFSF9蛋白Approximately 19.4 kDa, a single non-glycosylated polypeptide chain containing 184 amino acids.
Quantity 5μg/20μg/1000μg
AA Sequence REGPELSPDD PAGLLDLRQG MFAQLVAQNV LLIDGPLSWY SDPGLAGVSL TGGLSYKEDT KELVVAKAGV YYVFFQLELR RVVAGEGSGS VSLALHLQPL RSAAGAAALA LTVDLPPASS EARNSAFGFQ GRLLHLSAGQ RLGVHLHTEA RARHAWQLTQ GATVLGLFRV TPEIPAGLPS PRSE
Purity 重組人4-1BB配體/ TNFSF9蛋白> 95 % by SDS-PAGE and HPLC analyses.
Biological Activity Fully biologically active when compared to standard. The ED50 as determined by stimulation of IL-8 production using human PBMC is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation 重組人4-1BB配體/ TNFSF9蛋白Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin Less than 1 EU/μg of rHu4-1BBL 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4-1BB配體/ TNFSF9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4-1BB配體/ TNFSF9蛋白
SDS-PAGE
Reference 1. Salih HR, Kiener PA, Nussler V. 2002. Int J Clin Pharmacol Ther. 40:348-53.
2. Jang IK, Lee ZH, Kim YJ, et al. 1998. Biochem Biophys Res Commun. 242:613-20.
3. Michel J, Pauly S, Langstein J, et al. 1999. Immunology. 98:42-6.
4. Alderson MR, Smith CA, Tough TW, et al. 1994. Eur J Immunol. 24:2219-27.
Background 4-1BBL is a member of the tumor necrosis factor (TNF) receptor family. This receptor contributes to the clonal expansion, survival, and development of T cells. In addition, 4-1BBL expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. CD137 has been shown to interact with TRAF2. The human 4-1BBL gene codes for a 254 amino acid type II transmembrane containing a 28 amino acid cytoplasmic domain, a 21 amino acid transmembrane domain, and a 205 amino acid extracellular domain (ECD). The human 4-1BBL ECD shares 32 % and 35 % a.a. identity with murine and rat ECD.

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