重组人胎盘生长激素22kDa(pGH 22kDa)

重组人胎盘生长激素22kDa(pGH 22kDa)

参考价:面议
供货周期: 一周
品牌: Prospect Biosystems
规格: 100μg/200μg/1mg
货号: CYT-235
CAS号:
上海希美化学有限公司
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pGH 22kDa Human
Growth Hormone Placental 22kDa Human Recombinant
Catalog No. CYT-235 
Synonyms:
GHL, GHV, GH-V, hGH-V, PGH.

Introduction:
GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.

Description:
Placental HGH 22kDa Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 192 amino acids and having a molecular mass of 22367 Dalton. Predicted pI=7.80. Placental Growth Hormone has dimished lactogenic (prolactin receptor mediated) activity characteristic to pituitary GHs.
GH Placental Human Recombinant is purified by proprietary chromatographic techniques.

Source:
Escherichia Coli.

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

Formulation:
The protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3 previously adjusted pH 8-9.

Solubility:
It is recommended to reconstitute the lyophilized Placental HGH in 0.4% NaHCO3or water adjusted to pH 9, not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.

Stability:
Lyophilized GH placental although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution and filter sterilization HGH placental can be stored at 4°C for up to 4 weeks. For long term storage and more diluted solutions it is recommended to add a carrier protein (0.1% HSA or BSA).
Please prevent freeze-thaw cycles.

Purity:
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Amino acid sequence:
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Phe-Pro-Thr-Ile.

Protein content:
Protein quantitation was carried out by two independent methods:

1. UV spectroscopy at 280 nm using the absorbency value of 1.18 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a calibrated solution of GH-22K-placental as a Reference Standard.

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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重组人胎盘生长激素22kDa(pGH 22kDa)由上海希美化学有限公司为您提供,货号CYT-235,规格:100μg/200μg/1mg,CAS号:,如您想了解更多关于重组人胎盘生长激素22kDa(pGH 22kDa)价格、重组人胎盘生长激素22kDa(pGH 22kDa)结构式、批发、用途等信息,欢迎咨询。除供应重组人胎盘生长激素22kDa(pGH 22kDa)外,还可为您提供马生长激素(GH)ELISA Kit、重组绵羊生长激素Anatagonist(Ovine Growth Hormone Anatagonist)等试剂,公司有专业的客户服务团队,是您值得信赖的合作伙伴,上海希美化学客户服务电话,售前、售后均可联系。
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