Clone | MCH2 14 1-190 |
Isotype | IgG |
Product Type | Monoclonal Antibody |
Units | 100 µg |
Host | Mouse |
Species reactivity | Human |
Application | Western Blotting |
BackgroundCaspase-6 (Cysteine-Requiring Aspartate Proteases) is part of a family of intracellular cysteine proteases that cleave their substrates after aspartic acid residues. These proteases play an integral role in inducing apoptosis in cells.Procaspase-6 (Mch2), a member of the ICE/ced-3 subfamily, is an inactive proenzyme that is activated to form caspase-6 by proteolytic cleavage at certain aspartic acid residues. During cleavage, the N-terminalis removed and the proenzyme is converted into a large (p18) and small (p11) subunits. Caspase-6 has two isoforms, and, produced by alternative splicing. Over-expression of the isoform of caspase-6 without its prodomain can induce apoptosis. The isoform does not seem to display proteolytic activity. Together with caspases-3 and -7, the isoform of caspase-6 is classified as an effector/execution caspase. Caspase-3, caspase-8 and caspase-10 can cleave procaspase-6. Active caspase-6cleaves several other proteins such as lamins, NuMa and Keratin 18. A possible cleavage of caspases-8 and -10 in cytochrome-C dependent apoptosis was reported recently.
Synonyms: Cysteine-requiring Aspartate Protease-6; Apoptotic protease Mch-2
Source
Immunogen: Hybridoma produced by the fusion of splenocytes from mice immunized with recombinant human capase-6 protein and mouse myeloma cells.
Product
Product Form: Unconjugated
Formulation: Provided as solution in phosphate buffered saline with 0.08% sodium azide
Purification Method: Protein A/G Chromatography
Concentration: See vial for concentration
ApplicationsDetects proenzyme form of human Caspase-6 by Western blot.Optimal concentration should be evaluated by serial dilutions.
Functional Analysis: Western Blotting
Positive Control: MCF-7 cell lysate
StorageProduct should be stored at -20ºC. Aliquot to avoid freeze/thaw cycles
Product Stability: Products are stable for one year from purchase when stored properly
Shipping Conditions: Ship at ambient temperature, freeze upon arrival
CautionThis product is intended FOR RESEARCH USE ONLY, and FOR TESTS IN VITRO, not for use in diagnostic or therapeutic procedures involving humans or animals. It may contain hazardous ingredients. Please refer to the Safety Data Sheets (SDS) for additional information and proper handling procedures. Dispose product remainders according to local regulations.This datasheet is as accurate as reasonably achievable, but Nordic-MUbio accepts no liability for any inaccuracies or omissions in this information.
References1. Kidd, V.J., Proteolytic activities that mediate apoptosis. Annu. Rev. Physiol. 1998, 60, 533-5732. Fernandes – Alnemri, T., et al., Mch2, a new member of the apoptotic Ced-3/Ice cysteine protease gene family. Cancer Res. 1995, 55, 2737-27423. Orth, K., et al., The CED-3/ICE-like protease Mch2 is activated during apoptosis and cleaves the death substrate lamin A. J. Biol. Chem. 1996, 271, 164434. Hirata, H., et al., Caspases are activated in a branched protease cascade and control distinct downstream processes in Fas-induced apoptosis. J. Exp. Med. 1998, 187, 587-6005. Slee, E. A., et al., Ordering the cytochrome c-initiated caspase cascade: hierarchial activation of caspases-2, -3, -6, -7, -8 and -10 in a caspase-9-dependent manner. J. Cell Biol., 144, 281 (1999)6. Cohen, G.M., et al. Caspases: the executioners of apoptosis. Biochem. J. 1997, 326, 1-16
Protein Reference(s)
Database Name: SwissProt
Accession number: P55212
Species Accession: Human
Safety Datasheet(s) for this product:NM_Sodium Azide/wp-content/uploads/SDS/Antibody SDS with Sodium Azide Noridic-MUbio.pdf
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1.单克隆抗体的优点:
(1)杂交瘤可以在体外“永久”地存活并传代,只要不发生细胞株的基因突变,就可以不断的生产高特异性、高均一性的抗体.
(2)可以用相对不纯的抗原,获得大量高度特异的、均一的抗体.
(3)由于可能得到“无限量”的均一性抗体,所以适用于以标记抗体为特点的免疫学分析方法,如IRMA和ELISA等.
(4)由于单克隆抗体的高特异性和单一生物学功能,可用于体内的放射免疫显像和免疫导向治疗.
2.单克隆抗体的局限性:
(1)单克隆抗体固定的亲和性和局限的生物活性限制了它的应用范围.由于单克隆抗体不能进行沉淀和凝集反应,所以很多检测方法不能用单克隆抗体完成.
(2)单克隆抗体的反应强度不如多克隆抗体.
(3)制备技术复杂,而且费时费工,所以单克隆抗体的价格也较高.
抗原有两个基本特性,即抗原性和免疫原性。有抗原性的物质不一定有免疫原性,所以由此引出半抗原和完全全抗原,半抗原必须经过经过一定的改造(偶联蛋白载体BSA,OVA或者HSA等大分子物质)方能成为完全。一般而言完全抗原分子量越大(大于10KDa),结构越复杂引起免疫反应的能力也就越强。
抗体就是能与特异性抗原结合的免疫球蛋白,抗体一般分为多克隆抗体和单克隆抗体,多克隆抗体能与抗原的多个表位结合。本篇主要讲述兔来源的多克隆抗体的生产步骤
多抗一般制备流程:完全抗原的准备→兔子的免疫→ 效价检测和终放→抗体亲和纯化→抗体的浓缩和保存。
又由于自然存在的抗原大都存在多个抗原表位,会刺激机体产生多种针对同一抗原的不同抗原表位相应的不同抗体.
一般来说多克隆的阳性率高一些,但出现假阳性的比例也高一些。
其次,察看次目的蛋白的存在形式,有没有多聚体形式及变构形式;
最后,查看多家抗体公司的DATA,看看别人的WB做出来的条带的位置。
根据你说的,特异识别多个组织中的同样大小的条带,我觉得很可能就是你的目的蛋白。
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