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重组人PTH1-84, 15N

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产品名称: 重组人PTH1-84, 15N
产品型号: PP1002123-1mg
产品展商: PERFEMIKER
产品价格: 8820.00 元
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简单介绍

名称:重组人PTH1-84, 15N 货号:PP1002123 规格:1mg


重组人PTH1-84, 15N  的详细介绍

名称:重组人PTH1-84, 15N

Synonyms:Parathormone, Parathyrin

Species:9

Accession:P01270

GeneID:5741

Source:Escherichia coli.

Molecular Weight:Approximately 9551 Da, a single non-glycosylated polypeptide chain containing 84 amino acids. 15N stable isotope labeled.

Quantity:10µg/50µg/1000µg

AA Sequence:SVSEIQLMHN LGKHLNSMER VEWLRKKLQD VHNFVALGAP LAPRDAGSQR PRKKEDNVLV ESHEKSLGEA DKADVNVLTK AKSQ

Purity:> 97 % by SDS-PAGE and HPLC analyses.

Biological Activity:Fully biologically active when compared to standard. The ED50 as determined by its ability to induce cAMP accumulation in murine MC3T3E1 cells is less than 50 ng/ml, corresponding to a specific activity of > 2.0 × 104 IU/mg.

Physical Appearance: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 rHuPTH1-84, 15N 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.

Stability & Storage:Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Reference:1. Potts, J.T. 2005. J Endocrinol, 187: 311-25.
2. Misiorowski, W. 2011. Endokrynol Pol, 62: 73-8.
3. Scillitani, A., V. Guarnieri, C. Battista, et al. 2011. J Endocrinol Invest, 34: 23-6.

Background:Parathyroid hormone (PTH) is a single polypeptide of 84 amino acids. PTH is a critical hormone in the regulation of Ca2+ homeostasis. PTH is secreted by the parathyroid glands, which promote release of calcium from bone to extracellular fluid by activating osteoblasts and inhibiting osteoclasts, indirectly promote increased intestinal absorption of calcium, and promote renal tubular reabsorption of calcium and increased renal excretion of phosphates. It is a major regulator of bone metabolism. Secretion of parathyroid hormone increases when the level of calcium in the extracellular fluid is low.