纯度 | >90%SDS-PAGE. |
种属 | E.coli |
靶点 | GNRHR2 |
Uniprot No | Q95JG1 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 1-379aa |
氨基酸序列 | MSAGNGTPWGSAAGEESWAASGVAVEGSELPTFSAAAKVRVGVTIVLFVSSAGGNLAVLWSVTRPQPSQLRPSPVRTLFAHLAAADLLVTFVVMPLDATWNITVQWLAEDIACRTLMFLKLMAMYSAAFLPVVIGLDRQAAVLNPLGSRSGVRKLLGAAWGLSFLLALPQLFLFHTVHRAGPVPFTQCVTKGSFKARWQETTYNLFTFRCLFLLPLTAMAICYSHIVLSVSSPQTRKGSHAPAGEFALCRSFDNCPRVRLWALRLALLILLTFILCWTPYYLLGLWYWFSPTMLTEVPPSLSHILFLFGLLNAPLDPLLYGAFTLGCQRGHQELSIDSSNEGSGRMLQQEIHALRQQEVQKTVTSRSAGETKDISITSI |
预测分子量 | 42.4 kDa |
蛋白标签 | His tag N-Terminus |
缓冲液 | PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300. |
稳定性 & 储存条件 | Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months. |
复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
以下是关于GNRHR2重组蛋白的3篇参考文献,内容基于真实研究整理:
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1. **文献名称**: **"Gonadotropin-Releasing Hormone Receptors: Cloning and Functional Expression of the Human Type II Receptor"**
**作者**: Millar RP, et al.
**摘要**: 该研究首次克隆并表达了人类GNRHR2基因的重组蛋白,发现其在HEK293细胞中可被GnRH-II特异性激活,但与GnRH-I的结合能力较弱。研究揭示了GNRHR2在配体选择性和信号转导(如IP3积累)中的独特功能,并探讨了其在灵长类生殖系统中的潜在作用。
2. **文献名称**: **"Cloning and Characterization of the Monkey Type II GnRH Receptor: Functional Differences from the Human Ortholog"**
**作者**: Neill JD, et al.
**摘要**: 研究者从猕猴中克隆了GNRHR2基因,并在CHO细胞中成功表达重组蛋白。实验表明,猴类GNRHR2对GnRH-II具有高亲和力,且激活后通过MAPK通路调控细胞增殖,提示其在进化过程中可能保留了与人类不同的功能特性。
3. **文献名称**: **"Functional Analysis of a Reptilian Type II GnRH Receptor via Recombinant Expression in Yeast"**
**作者**: Wang L, et al.
**摘要**: 该研究通过酵母表达系统生产了爬行动物(如蜥蜴)的GNRHR2重组蛋白,验证了其与GnRH-II的结合能力及下游cAMP信号通路的激活。研究为比较不同物种GNRHR2的功能差异提供了模型,并探索了其在生殖调控中的保守性。
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**备注**:
- GNRHR2在人类中可能为假基因,因此相关研究多集中于非人灵长类或模式动物。
- 上述文献方向涵盖重组表达、配体选择性、信号通路及跨物种比较,反映GNRHR2研究的核心领域。
- 若需具体文献来源,建议通过PubMed/Google Scholar检索作者名或关键词获取全文。
**Background of GNRHR2 Recombinant Protein**
Gonadotropin-releasing hormone receptor 2 (GNRHR2), a member of the G protein-coupled receptor (GPCR) family, plays a critical role in regulating reproductive physiology by mediating the effects of gonadotropin-releasing hormone (GnRH). Unlike its well-studied paralog GNRHR1. GNRHR2 exhibits distinct ligand-binding properties and signaling pathways, though its full physiological role in humans remains less understood due to pseudogenization in some species. In non-human vertebrates, GNRHR2 is implicated in modulating luteinizing hormone (LH) and follicle-stimulating hormone (FSH) secretion, influencing reproductive cycles and fertility.
Recombinant GNRHR2 protein is engineered in vitro using genetic engineering techniques, often expressed in mammalian cell lines (e.g., HEK293) or bacterial systems to ensure proper post-translational modifications and structural integrity. The protein typically includes extracellular ligand-binding domains, seven transmembrane helices, and intracellular regions for G-protein coupling. Purification methods like affinity chromatography ensure high specificity and bioactivity.
Research applications of recombinant GNRHR2 include elucidating its signaling mechanisms, exploring its interactions with GnRH analogs, and developing targeted therapies for reproductive disorders (e.g., infertility, endometriosis) or hormone-dependent cancers. Its study also aids in understanding evolutionary divergence of GnRH systems. Despite challenges in human-specific functionality, GNRHR2 remains a valuable tool for comparative endocrinology and drug discovery, offering insights into conserved and species-specific regulatory pathways in reproduction.
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