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重组人生长**蛋白

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  • 产品名称:重组人生长**蛋白
  • 产品型号:rHuGH
  • 产品展商:KALANG
  • 产品文档:无相关文档
  • 发布时间:2018-06-21
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简单介绍
重组人生长**蛋白与其它公司提供的重组蛋白不同,rHuGH蛋白产品为采用CFS的无细胞麦胚蛋白合成系统表达出来的重组蛋白,可表达出对细胞有毒性、易被蛋白酶降解的蛋白;并获得具有良好的可溶性,并有翻译后修饰、从而部分具有功能的蛋白.同时独有的全自动蛋白纯化技术则简便高效,将蛋白纯化过程中对蛋白的损伤降低到*小程度.重组人生长**蛋白(全长序列)产品可用于Western Blot验证、抗体制备、蛋白检测、ELISA等试验中.
产品描述

重组人生长**蛋白

Synonyms GH1, GH, GHN, GH-N, hGH-N,Pituitary Growth Hormone, Growth Hormone 1, Somatotropin.
Species Human
Accession P01241
GeneID 2688
Source 重组人生长**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 重组人生长**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.
重组人生长**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 重组人生长**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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