p53 Rabbit Polyclonal Antibody
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产品编号 AF7671
数量
¥ 593.00
产品包装:
50μl
产品简介
使用说明
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来源 用途 交叉反应性 理论分子量 实际分子量
Rabbit WB, IP, IHC, ChIP H, M, R 43kDa 53kDa

WB, Western blot; IP, Immunoprecipitation; IF, Immunofluorescence; IHC, Immunohistochemistry; ICC, Immunocytochemistry; FC, Flow Cytometry; ChIP, Chromatin Immunoprecipitation Assay; ChIP-seq, ChIP-sequencing.
H, Human; M, Mouse; R, Rat; C, Chicken; Cw, Cow; Dg, Dog; Gp, Guinea pig; Hm, Hamster; Hr, Horse; Mk, Monkey; Pg, Pig; Rb, Rabbit; S, Sheep; Z, Zebrafish; All, all species expected.
配套提供了Western一抗稀释液,可以用于Western检测或其它适当用途时的一抗稀释。
建议抗体使用时的稀释比例如下(实际使用时需根据抗原水平的高低作适当调整):

WB IP IF IHC ICC FC ChIP ChIP-seq
1:3000-1:6000 1:20-1:50 - 1:50-1:200 1:50-1:200 - 1:20-1:50 -

抗体详细信息如下::

About this Antibody
Name p53 Rabbit Polyclonal Antibody
Category Rabbit Polyclonal Antibody (pAb); Primary antibody
Isotype IgG
Purification method Affinity purification
Positive samples A-549, BT-474, MCF7, Mouse spleen, Mouse testis, Mouse kidney, Rat kidney
Cellular location Cytoplasm, Endoplasmic reticulum, Mitochondrion matrix, Nucleus, PML body
Customer validation WB (Human, Mouse)
About the Immunogen
Immunogen Recombinant fusion protein of mouse p53 (NP_035770.2).
Sequence EPPEAGSEYTTIHYKYMCNSSCMGGMNRRPILTIITLEDSSGNLLGRDSFEVRVCACPGRDRRTEEENFRKKEVLCPELPPGSAKRALPTCTSASPPQKKKPLDGEYFTLKIRGRKRFEMFRELNEALELKDAHATEESGDSRAHSSYLKTKKGQSTSRHKKTMVKKVGPDSD
Gene ID 22059
Swiss Prot P02340
Synonyms TP53; P53; TRP53; tumor protein p53; bbl; bfy; bhy; p44
Category p53; Regulation of Apoptosis; PI3K/Akt Signaling; p38 MAPK Signaling
Background The p53 tumor suppressor protein plays a major role in cellular response to DNA damage and other genomic aberrations. Activation of p53 can lead to either cell cycle arrest and DNA repair or apoptosis. p53 is phosphorylated at multiple sites in vivo and by several different protein kinases in vitro. DNA damage induces phosphorylation of p53 at Ser15 and Ser20 and leads to a reduced interaction between p53 and its negative regulator, the oncoprotein MDM2. MDM2 inhibits p53 accumulation by targeting it for ubiquitination and proteasomal degradation. p53 can be phosphorylated by ATM, ATR, and DNA-PK at Ser15 and Ser37. Phosphorylation impairs the ability of MDM2 to bind p53, promoting both the accumulation and activation of p53 in response to DNA damage. Chk2 and Chk1 can phosphorylate p53 at Ser20, enhancing its tetramerization, stability, and activity. p53 is phosphorylated at Ser392 in vivo and by CAK in vitro. Phosphorylation of p53 at Ser392 is increased in human tumors and has been reported to influence the growth suppressor function, DNA binding, and transcriptional activation of p53. p53 is phosphorylated at Ser6 and Ser9 by CK1δ and CK1ε both in vitro and in vivo. Phosphorylation of p53 at Ser46 regulates the ability of p53 to induce apoptosis. Acetylation of p53 is mediated by p300 and CBP acetyltransferases. Inhibition of deacetylation suppressing MDM2 from recruiting HDAC1 complex by p19 (ARF) stabilizes p53. Acetylation appears to play a positive role in the accumulation of p53 protein in stress response. Following DNA damage, human p53 becomes acetylated at Lys382 (Lys379 in mouse) in vivo to enhance p53-DNA binding. Deacetylation of p53 occurs through interaction with the SIRT1 protein, a deacetylase that may be involved in cellular aging and the DNA damage response.

包装清单:

产品编号 产品名称 包装
AF7671 p53 Rabbit Polyclonal Antibody 50μl
AZ050 Western一抗稀释液 50ml
说明书 1份

保存条件:
p53 Rabbit Polyclonal Antibody -20ºC保存,Western一抗稀释液-20ºC或4ºC保存,一年有效。Western一抗稀释液优先推荐4ºC保存,长期不使用可以考虑-20ºC保存,但冻融可能会导致出现轻微的浑浊和少量不溶物。
注意事项:
如果本抗体用于Western blot (WB)、免疫荧光(IF)、免疫细胞化学(ICC)等实验,请注意回收使用过的稀释抗体。回收的抗体通常至少可以重复使用5-10次。稀释后的抗体,包括已经使用过的稀释抗体,请4℃保存。
回收后重复使用的抗体,使用方法同新鲜稀释的抗体。如果在重复使用过程中发现抗体出现轻微混浊现象,可以10,000g离心1-3分钟,取上清用于后续检测。如果回收的抗体出现明显的絮状物或长霉长菌等情况,则可以考虑废弃该抗体。
提供的Western一抗稀释液也可以用于免疫荧光(IF)、免疫组化(IHC)、免疫细胞化学(ICC)等适当用途。如果希望获得最佳的检测效果,请考虑使用上述检测专用的一抗稀释液。
本产品仅限于专业人员的科学研究用,不得用于临床诊断或治疗,不得用于食品或药品,不得存放于普通住宅内。
为了您的安全和健康,请穿实验服并戴一次性手套操作。

使用说明:
请根据抗体的实际用途选择相应的使用方法。
1. Western检测:
a. 按照推荐的稀释比例用碧云天提供的Western一抗稀释液稀释抗体。
b. 把经过封闭的蛋白膜与稀释好的一抗4℃缓慢摇动过夜或室温缓慢摇动2小时,确保稀释的抗体至少能在摇动的瞬间覆盖蛋白膜。
c. 回收稀释的一抗,4℃保存以备下次继续使用。
d. 按照Western的实验步骤进行后续的洗涤、二抗孵育、洗涤和检测等操作。具体操作可以参考如下网页:
http://www.beyotime.com/western.htm
2. 免疫染色:
可以使用碧云天生产的免疫染色一抗稀释液(P0103)稀释抗体,使用后注意回收稀释好的一抗,具体操作可以参考如下网页:http://www.beyotime.com/support/immunol-staining.htm
3. 其它实验操作请自行参考适当的protocol进行。
4. 代表性图片:

Fig. 1. Western blot analysis of extracts of various cell lines, using p53 antibody at 1:6000 dilution. Secondary antibody: HRP-labeled Goat Anti-Rabbit IgG(H+L) (A0208) at 1:1000 dilution. Lysates/proteins: 25µg per lane. Blocking buffer: QuickBlock™ Blocking Buffer (P0231). Detection: BeyoECL Star (P0018A). Exposure time:1s. Fig. 2. Immunohistochemistry of paraffin-embedded rat ovary using p53 antibody at dilution of 1:100 (40x lens).
Fig. 3. Immunohistochemistry of paraffin-embedded human lung cancer using p53 antibody at dilution of 1:100 (40x lens). Fig. 4. Immunohistochemistry of paraffin-embedded human gastric cancer using p53 antibody at dilution of 1:100 (40x lens).

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