分子量:54-94 kDa 物理外观:Lyophilized 储存缓冲液:Lyophilized from 5mM PBS, pH 7.4 复溶(Reconstitution):Reconstitute in sterile distilled water. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions. 产品描述: 链霉亲和素(Streptavidin,SA)是阿维丁链霉菌(Streptomyces avidinii)在生长过程中分泌的一种同型四聚体蛋白。同亲和素一样,一摩尔的链霉亲和素可以结合四摩尔的生物素,与生物素具有很高的亲和力。由于 SA 不含糖基,因此 SA 在检测应用中具有比亲和素更低的非特异性结合水平,已被广泛应用于酶联免疫吸附实验、免疫组织化学、时间分辨免疫荧光技术(TRFIA)、定量 PCR、单链 DNA 制备、生物分子纯化、单克隆抗体制备等生物技术领域。 但是链霉亲和素的吸附性较差,在实际应用中尤其是吸附到 NC 膜或包埋比较困难,粘性重组链霉亲和素(S-rSA)主要是解决这个问题,其不仅具有与活性有关的核心序列,而且吸附性、稳定性、溶解性等方面均优于天然 SA,尤其在 NC 膜上的吸附性远远超越天然 SA。 Slot-Blot 法 NC 膜上不同 SA 吸附及活性比较 注意:本产品仅限于科研使用。 阿拉丁链霉亲和素系列产品: 货号
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重组粘性链霉亲和素(r-ScSA)
CAS number:unknown molecular formula:
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compound introduction
Specs
| Chinese alias | 粘性重组链霉亲和素 | 链霉亲和素 | ||
| English alias | Sticky Recombinant Streptavidin | r-ScSA | Streptavidin | SA | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | BioReagent |
| PSA | - | logp | - |
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