Cap8A 重组蛋白, S. aureus (His)

Cap8A Protein, S. aureus, Recombinant (His)

产品编号 TMPH-03526

May enhance ubiquitin ligase activity of RING-type zinc finger-containing E3 ubiquitin-protein ligases. Proposed to act through recruitment and/or stabilization of the Ubl-conjugating enzyme (E2) at the E3:substrate complex. Cap8A Protein, S. aureus, Recombinant (His) is expressed in E. coli expression system with N-10xHis tag. The predicted molecular weight is 26.4 kDa and the accession number is O15479.

Cap8A Protein, S. aureus, Recombinant (His)

产品编号 TMPH-03526

规格	价格	库存	数量
20 μg	¥ 9,600	20日内发货
100 μg	¥ 17,600	20日内发货

大包装 & 定制

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常见问题解答

问是否能直接用缓冲液对抑制剂 DMSO 母液做梯度稀释？

答大部分情况下，都是可以溶解的。但有时，有机试剂直接加入水相介质时会析出。建议将抑制剂先以DMSO做梯度稀释，再将经过稀释的抑制剂加入缓冲液或细胞培养基。有些抑制剂甚至只有在其工作浓度下才能溶于水相。比如细胞实验中希望终浓度为 1 μM 的话，可以把 10 mM 的 DMSO 母液用 DMSO 稀释到 1 mM，再吸 2 μL 加入到 2 mL 的生理盐水/PBS/细胞培液，终浓度即为 1 μM。为避免药物析出，稀释前，可将母液和培养基 37℃ 预热，避免温度低造成严重析出。若稀释过程中出现化合物析出的情况，建议您采用超声加热的方法使其复溶。

问细胞实验中，抑制剂如何溶解？

答用 DMSO 配置较高浓度母液，母液存于 -80℃，建议多分装几管，一周内使用的存于 4℃，避免反复冻融。实验时用 pbs、生理盐水、培养基、水这些稀释，细胞实验DMSO的终浓度不超过 0.1%。如果超过 0.1%，则需要在做预试验的时候，先进行溶剂阴性对照实验，排除溶剂对细胞的影响。

问准备进行动物实验，收到大包装粉末后，如何分装溶解？

答根据配制出来的溶液是不是澄清的确定一次性能配多少：如果配制出来是澄清溶液，可以一次性多配制一些，储存于4度冰箱，大概一周配一次，放久了可能会失效；如果配制出来是混悬液，建议每次使用的时候都现配现用。

问母液配置的计算方法？

答（1） c=n/v=m/M/v 浓度=物质的量/体积=质量/相对分子质量/体积（2）官网产品详情页下方有溶液配制表格，可以参考计算好的加入溶剂体积

问如果低于说明书给出的最高溶解度情况下，产品仍未溶解怎么办？

答建议您使用一些辅助溶解方法，如水浴加热至 45℃ 或用超声震荡，加速粉末溶解。

产品信息

生物活性	Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
产品描述	May enhance ubiquitin ligase activity of RING-type zinc finger-containing E3 ubiquitin-protein ligases. Proposed to act through recruitment and/or stabilization of the Ubl-conjugating enzyme (E2) at the E3:substrate complex. Cap8A Protein, S. aureus, Recombinant (His) is expressed in E. coli expression system with N-10xHis tag. The predicted molecular weight is 26.4 kDa and the accession number is O15479.
种属	Staphylococcus aureus
表达系统	E. coli
标签	N-10xHis
蛋白编号	O15479
别名	Melanoma-associated antigen B2,MAGE-B2 antigen,MAGEB2,MAGE XP-2 antigen,DSS-AHC critical interval MAGE superfamily 6 (DAM6),Cancer/testis antigen 3.2 (CT3.2)
氨基酸序列	MESTLELTKIKEVLQKNLKILIILPLLFLIISAIVTFFVLSPKYQANTQILVNQTKGDNPQFMAQEVQSNIQLVNTYKEIVKSPRILDEVSKDLNNKYSPSKLSSMLTITNQENTQLINIQVKSGHKQDSEKIANSFAKVTSKQIPKIMSLDNVSILSKADGTAVKVAPKTVVNLIGAFFLGLVVALIYIFFKVIFDKRIKDEEDVEKELGLPVLGSIQKFN
蛋白构建	1-319 aa
蛋白纯度	> 90% as determined by SDS-PAGE.
分子量	26.4 kDa (predicted)
内毒素	< 1.0 EU/μg of the protein as determined by the LAL method.
缓冲液	If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
复溶方法	Reconstitute the lyophilized protein in sterile deionized water. The product concentration should not be less than 100 μg/mL. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
存储	Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
运输方式	In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice.
研究背景	May enhance ubiquitin ligase activity of RING-type zinc finger-containing E3 ubiquitin-protein ligases. Proposed to act through recruitment and/or stabilization of the Ubl-conjugating enzyme (E2) at the E3:substrate complex.

Cap8A Protein, S. aureus, Recombinant (His)

Cap8A Protein, S. aureus, Recombinant (His)

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