重组人甲状旁腺激素（7-34）(Human PTH(7-34))

重组人甲状旁腺激素（7-34）(Human PTH(7-34))

参考价：面议
供货周期： 一周
品牌： Prospect Biosystems
规格： 100μg/500μg/1mg
货号： HOR-266
CAS号：
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PTH (7-34) Human
Parathyroid Hormone (7-34) Human Recombinant
Catalog No. HOR-266

Synonyms:
PTH/PTHrP receptor antagonist, PTHrP analog, PTHR, MGC138426, MGC138452.

Introduction:
Polypeptide hormones 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. Its action is opposed by calcitonin.
PTH (7-34), which is a PTH/PTHrP receptor antagonist, can stimulate hair growth and epidermal proliferation in mice.

Description:
Parathyroid Hormone Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 28 amino acids and having a molecular mass of 3380 Dalton.
The PTH is purified by proprietary chromatographic techniques.

Source:
Escherichia Coli.

Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation:
The protein (1 mg/ml) was lyophilized after extensive dialyses against 20mM PBS pH-7.0 and 4% mannitol.

Solubility:
It is recommended to reconstitute the lyophilized PTH in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.

Stability:
Lyophilized Parathyrin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution PTH should be stored at 4°C between 2-7 days and for future use below -18°C.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Please prevent freeze-thaw cycles.

Purity:
Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Amino acid sequence:
Leu-Met-His-Asn-Leu-Gly-Lys-His-Leu-Asn-Ser-Met-Glu-Arg-Val-Glu-Trp-Leu-Arg-Lys-Lys-Leu-Gln-Asp-Val-His-Asn-Phe

Biological Activity:
The activity calculated by UMR106 cell/cAMP method corresponding to a specific activity of 1.0 x 104 Units/mg.

Usage:
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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