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產品詳情
  • 產品名稱:重組人生長**蛋白

  • 產品型號:rHuGH
  • 產品廠商:KALANG
  • 產品文檔:
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簡單介紹:
重組人生長**蛋白與其它公司提供的重組蛋白不同,rHuGH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.重組人生長**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:

重組人生長**蛋白

Synonyms GH1, GH, GHN, GH-N, hGH-N,Pituitary Growth Hormone, Growth Hormone 1, Somatotropin.
Species Human
Accession P01241
GeneID 2688
Source 重組人生長**蛋白Escherichia coli.
Molecular Weight Approximately 22 kDa, a single non-glycosylated polypeptide chain containing 191 amino acids
Quantity 20μg/100μg/1000μg
AA Sequence FPTIPLSRLF DNAMLRAHRL HQLAFDTYQE FEEAYIPKEQ KYSFLQNPQT SLCFSESIPT PSNREETQQK SNLELLRISL LLIQSWLEPV QFLRSVFANS LVYGASDSNV YDLLKDLEEG IQTLMGRLED GSPRTGQIFK QTYSKFDTNS HNDDALLKNY GLLYCFRKDM DKVETFLRIV QCRSVEGSCG F
Purity > 98 % by SDS-PAGE and HPLC analyses.
Biological Activity 重組人生長**蛋白Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using rat Nb2-11 lymphoma cells is less than 0.1 ng/ml, corresponding to a specific activity of > 1.0 × 107 IU/mg.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered concentrated solution with 20mM PB, pH 7.0, with 3% Mannitol.
Endotoxin Less than 1 EU/μg of rHuGH 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.
重組人生長**蛋白
SDS-PAGE
Reference 1. Goffin, V., K.T. Shiverick, P.A. Kelly, et al. 1996. Endocr Rev, 17: 385-410.
2. Tannenbaum, G.S., W. Gurd, and M. Lapointe. 1998. Endocrinology, 139: 3871-5.
3. Welniak, L.A., R. Sun, and W.J. Murphy. 2002. J Leukoc Biol, 71: 381-7.
Background 重組人生長**蛋白Growth hormone (GH), also known as somatotropin, is a member of a family of growth factors that includes prolactin, placental lactogens, proliferins, and somatolactin. It is a peptide hormone that stimulates growth, cell reproduction and regeneration in humans and other animals. Growth hormone is a 191-amino acid, single-chain polypeptide that is synthesized, stored, and secreted by somatotropic cells within the lateral wings of the anterior pituitary gland. The pulsatile release of GH into circulation is regulated by the concerted actions of the hypothalamic hormones-GH-releasing hormone (GHRH) and somatostatin (SST) - as well as by signals from the periphery - ghrelin and leptin. The human GH cDNA encodes a 217 amino acid (aa) residue precursor protein with a 26 aa putative signal peptide. By alternative splicing, at least four isoforms of GH have been identified.

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