SPESP1 Protein, Human, Recombinant (His)

产品编号 TMPJ-01190

Sperm Equatorial Segment Protein 1 (SPESP1) is a member of the SPESP1 family. SPESP1 is highly expressed in the testis, where it is localized to the acrosome of postmeiotic stages of spermiogenesis; it is expressed at lower levels in the placenta and fetal lung. SPESP1 is involved in the multicellular organisimal development. Disruption of SPESP1 leads to abnormal distribution of sperm proteins resulting in a detached membrane from the equatorial segment and less fertile sperm. SPESP1 may interact with IZUMO1 and MN9 antigen and it contains an N-glycosylation site as well as several cAMP-dependent kinase, protein kinase C, and casein kinase II consensus phosphorylation sites.

SPESP1 Protein, Human, Recombinant (His)

产品编号 TMPJ-01190

规格	价格	库存
10 μg	¥ 1,170	5日内发货
50 μg	¥ 3,470	5日内发货
500 μg	¥ 12,100	5日内发货
1 mg	¥ 18,900	5日内发货

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常见问题解答

问期货产品没有纯度啊？这个纯度在哪里看

答期货产品的话，是没有纯度信息，也没有质检信息的。有了现货之后我们会进行质检，测出试剂的纯度和结构等相关信息，并且展示在官网的活性描述上方。

问收到产品发现冰盒都化了，怎么办？

答一般化合物粉末对温度不敏感，加冰盒是为了防止极端气温，如果冰盒融化不影响产品质量。

问如何设置母液浓度？

答母液浓度需低于官网给出的溶解度，在这个范围内，根据工作液浓度设置母液浓度，细胞实验中，建议母液浓度设定在工作液浓度的 1000 倍以上。

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。

问超声一般需要多久？

答超声时长和溶解的量和浓度都有关，一般建议半个小时左右，如果浓度接近最大溶解度，或者需溶解的粉末较多，建议延长超声时间，并辅以加热。

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	Sperm Equatorial Segment Protein 1 (SPESP1) is a member of the SPESP1 family. SPESP1 is highly expressed in the testis, where it is localized to the acrosome of postmeiotic stages of spermiogenesis; it is expressed at lower levels in the placenta and fetal lung. SPESP1 is involved in the multicellular organisimal development. Disruption of SPESP1 leads to abnormal distribution of sperm proteins resulting in a detached membrane from the equatorial segment and less fertile sperm. SPESP1 may interact with IZUMO1 and MN9 antigen and it contains an N-glycosylation site as well as several cAMP-dependent kinase, protein kinase C, and casein kinase II consensus phosphorylation sites.
种属	Human
表达系统	HEK293 Cells
标签	C-6xHis
蛋白编号	Q6UW49
别名	SPESP1,SP-ESP,Sperm Equatorial Segment Protein 1,Glycosylated 38 kDa Sperm Protein C-7/8,ESP,Equatorial Segment Protein
氨基酸序列	Tyr20-Tyr350
蛋白构建	Tyr20-Tyr350
蛋白纯度	Greater than 90% as determined by reducing SDS-PAGE. (QC verified)
分子量	58 KDa (reducing condition)
内毒素	< 0.1 ng/µg (1 EU/µg) as determined by LAL test.
缓冲液	Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM PB, 150 mM NaCl, pH 7.4.
复溶方法	Reconstitute the lyophilized protein in distilled 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	Sperm Equatorial Segment Protein 1 (SPESP1) is a member of the SPESP1 family. SPESP1 is highly expressed in the testis, where it is localized to the acrosome of postmeiotic stages of spermiogenesis; it is expressed at lower levels in the placenta and fetal lung. SPESP1 is involved in the multicellular organisimal development. Disruption of SPESP1 leads to abnormal distribution of sperm proteins resulting in a detached membrane from the equatorial segment and less fertile sperm. SPESP1 may interact with IZUMO1 and MN9 antigen and it contains an N-glycosylation site as well as several cAMP-dependent kinase, protein kinase C, and casein kinase II consensus phosphorylation sites.

SPESP1 Protein, Human, Recombinant (His)

SPESP1 Protein, Human, Recombinant (His)

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