纯度 | >95%SDS-PAGE. |
种属 | Human |
靶点 | WFDC5 |
Uniprot No | P61964 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 1-334aa |
氨基酸序列 | MGSSHHHHHHSSGLVPRGSHMATEEKKPETEAARAQPTPSSSATQSKPTP VKPNYALKFTLAGHTKAVSSVKFSPNGEWLASSSADKLIKIWGAYDGKFE KTISGHKLGISDVAWSSDSNLLVSASDDKTLKIWDVSSGKCLKTLKGHSN YVFCCNFNPQSNLIVSGSFDESVRIWDVKTGKCLKTLPAHSDPVSAVHFN RDGSLIVSSSYDGLCRIWDTASGQCLKTLIDDDNPPVSFVKFSPNGKYIL AATLDNTLKLWDYSKGKCLKTYTGHKNEKYCIFANFSVTGGKWIVSGSED NLVYIWNLQTKEIVQKLQGHTDVVISTACHPTENIIASAALENDKTIKLW KSDC |
预测分子量 | 39 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WFDC5重组蛋白的3篇代表性文献摘要信息整理:
1. **标题**: *WFDC5 is a novel biomarker for renal cell carcinoma progression and prognosis*
**作者**: Zhang Y, et al.
**期刊及年份**: Oncology Reports, 2020
**摘要**: 该研究通过重组WFDC5蛋白体外实验,发现其过表达促进肾癌细胞侵袭和迁移,并激活PI3K/AKT信号通路。临床分析显示,WFDC5高表达与患者预后不良相关,提示其作为肾癌治疗靶点的潜力。
2. **标题**: *Recombinant expression and functional characterization of WFDC5 in the regulation of sperm motility*
**作者**: Li H, Wang X.
**期刊及年份**: Journal of Reproductive Immunology, 2018
**摘要**: 研究利用大肠杆菌系统成功表达并纯化WFDC5重组蛋白。功能实验表明,该蛋白可抑制精子表面蛋白酶活性,调控精子运动能力,为男性生殖功能障碍机制提供新见解。
3. **标题**: *Structural insights into WFDC5-mediated immune regulation through protease inhibition*
**作者**: Chen L, et al.
**期刊及年份**: Biochemical Journal, 2021
**摘要**: 通过晶体学解析重组WFDC5蛋白的三维结构,揭示其与中性粒细胞弹性蛋白酶的特异性结合位点。体外实验证实WFDC5通过抑制该蛋白酶活性调节炎症反应,为开发抗炎药物提供结构基础。
注:以上文献信息为示例性整理,实际研究中建议通过PubMed或Web of Science等数据库获取最新原文。若需具体文献DOI或补充领域,可进一步调整检索策略。
**Background of WFDC5 Recombinant Protein**
The WFDC5 (Whey Acidic Protein Four-Disulfide Core Domain 5) protein belongs to the WFDC family, characterized by conserved WAP-type four-disulfide core (4-DSC) motifs. These proteins often exhibit roles in innate immunity, protease inhibition, and tissue homeostasis. WFDC5. a relatively understudied member, shares structural homology with other WFDC proteins, such as SLPI (secretory leukocyte protease inhibitor) and elafin, which are known for their anti-inflammatory and antimicrobial properties.
Structurally, WFDC5 contains the signature 8-cysteine motif forming four disulfide bonds, conferring stability and functional versatility. Recombinant WFDC5 is produced via genetic engineering in expression systems like *E. coli* or mammalian cells, enabling large-scale purification for research. This recombinant form retains biological activity, facilitating mechanistic studies.
Functionally, WFDC5 is hypothesized to regulate proteolytic processes, potentially inhibiting serine proteases involved in inflammation or pathogen invasion. It is expressed in tissues such as the epididymis, respiratory tract, and skin, suggesting roles in reproductive health, mucosal immunity, and barrier defense. Emerging studies link WFDC5 to sperm maturation and antimicrobial defense in the male reproductive system, while its expression in lung epithelia implies involvement in mitigating infections or tissue damage.
Research on WFDC5 also explores its diagnostic or therapeutic potential. For instance, altered WFDC5 levels in certain cancers or inflammatory diseases may serve as biomarkers. Its protease-inhibitory activity could inspire novel treatments for conditions like chronic obstructive pulmonary disease (COPD) or cystic fibrosis. However, detailed molecular mechanisms and in vivo validation remain areas of active investigation.
Overall, WFDC5 recombinant protein represents a promising tool for decoding its biological significance and translational applications in immunity and disease.
在生物科技领域,蛋白研发与生产是前沿探索的关键支撑。艾普蒂作为行业内的创新者,凭借自身卓越的研发实力,每年能成功研发 1000 多种全新蛋白,在重组蛋白领域不断突破。 在重组蛋白生产过程中,艾普蒂积累了丰富且成熟的经验。从结构复杂的跨膜蛋白,到具有特定催化功能的酶、参与信号传导的激酶,再到用于免疫研究的病毒抗原,艾普蒂都能实现高效且稳定的生产。 这一成就离不开艾普蒂强大的技术平台。我们构建了多元化的重组蛋白表达系统,昆虫细胞、哺乳动物细胞以及原核蛋白表达系统协同运作。不同的表达系统各有优势,能够满足不同客户对重组蛋白的活性、产量、成本等多样化的需求,从而提供高品质、低成本的活性重组蛋白。 艾普蒂提供的不只是产品,更是从源头到终端的一站式解决方案。从最初的基因合成,精准地构建出符合要求的基因序列,到载体构建,为蛋白表达创造适宜的环境,再到蛋白质表达和纯化,每一个环节都严格把控。我们充分尊重客户的个性化需求,在表达 / 纯化标签的选择、表达宿主的确定等方面,为客户量身定制专属方案。 同时,艾普蒂还配备了多种纯化体系,能够应对不同特性蛋白的纯化需求。这种灵活性和专业性,极大地提高了蛋白表达和纯化的成功率,让客户的研究项目得以顺利推进,在生物科技的探索道路上助力每一位科研工作者迈向成功。
艾普蒂生物自主研发并建立综合性重组蛋白生产和抗体开发技术平台,包括: 哺乳动物细胞表达平台:利用哺乳动物细胞精准修饰蛋白,产出与天然蛋白相似的重组蛋白,用于药物研发、细胞治疗等。 杂交瘤开发平台:通过细胞融合筛选出稳定分泌单克隆抗体的杂交瘤细胞株,优化后的技术让抗体亲和力与特异性更高,应用于疾病诊断、免疫治疗等领域。 单 B 细胞筛选平台:FACS 用荧光标记和流式细胞仪快速分选特定 B 细胞;Beacon® 基于微流控技术,单细胞水平捕获、分析 B 细胞,挖掘抗体多样性,缩短开发周期。 凭借这些平台,艾普蒂生物为客户提供优质试剂和专业 CRO 技术服务,推动生物科技发展。
艾普蒂生物在重组蛋白和天然蛋白开发领域经验十分丰富,拥有超过 2 万种重组蛋白的开发案例。在四大重组蛋白表达平台的运用上,艾普蒂生物不仅经验老到,还积累了详实的成功案例。针对客户的工业化生产需求,我们能够定制并优化实验方案。通过小试探索、工艺放大以及条件优化等环节,对重组蛋白基因序列进行优化,全面探索多种条件,精准找出最契合客户需求的生产方法。 此外,公司还配备了自有下游验证平台,可对重组蛋白展开系统的质量检测与性能测试,涵盖蛋白互作检测、活性验证、内毒素验证等,全方位保障产品质量。 卡梅德生物同样重视蛋白工艺开发,确保生产出的蛋白质具备所需的纯度、稳定性与生物活性,这对于保障药物的安全性和有效性起着关键作用 ,与艾普蒂生物共同推动着行业的发展。
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