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SMAD4 (基因名), Mothers against decapentaplegic homolog 4 (蛋白名), smad4_bovin.

产品名称:

Bovine SMAD4/ Mothers against decapentaplegic homolog 4 ELISA Kit
母亲DDP同源物4

货号:

E1925b

商标:

EIAab^®

监管等级:

RUO

别名:

SMAD family member 4, SMAD 4, MAD homolog 4

检测方法:

ELISA

特异性:

Natural and recombinant bovine Mothers against decapentaplegic homolog 4

样品类型:

Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids

样品数据:

研究领域:

Cancer

规格 & 价格:

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亚单元:

Monomer. Heterotrimer; with a C-terminally phosphorylated R-SMAD molecule and to form the transcriptionally active SMAD2/3-SMAD4 complex. Found in a ternary complex composed of SMAD4, STK11/LKB1 and STK11IP. Interacts with ATF2, COPS5, DACH1, MSG1, SKI, STK11/LKB1, STK11IP and TRIM33. Found in a complex with SMAD1 and YY1. Associates with ZNF423 or ZNF521 in response to BMP2 leading to activate transcription of BMP target genes. Interacts with USP9X. Interacts with RBPMS. Interacts with WWTR1 (via coiled-coil domain). Interacts with CITED1 and CITED2. Interacts with PDPK1 (via PH domain). Interacts with VPS39; this interaction affects heterodimer formation with SMAD3, but not with SMAD2, and leads to inhibition of SMAD3-dependent transcription activation. Interactions with VPS39 and SMAD2 may be mutually exclusive. Interacts with ZC3H3. Interacts (via MH2 domain) with ZNF451 (via N-terminal zinc-finger domains). Identified in a complex that contains at least ZNF451, SMAD2, SMAD3 and SMAD4. Interacts weakly with ZNF8. Interacts with NUP93 and IPO7; translocates SMAD4 to the nucleus through the NPC upon BMP7 stimulation resulting in activation of SMAD4 signaling (By similarity). Interacts with CREB3L1, the interaction takes place upon TGFB1 induction and SMAD4 acts as CREB3L1 coactivator to induce the expression of genes involved in the assembly of collagen extracellular matrix. Interacts with DLX1.

功能:

Common SMAD (co-SMAD) is the coactivator and mediator of signal transduction by TGF-beta (transforming growth factor). Component of the heterotrimeric SMAD2/SMAD3-SMAD4 complex that forms in the nucleus and is required for the TGF-mediated signaling. Promotes binding of the SMAD2/SMAD4/FAST-1 complex to DNA and provides an activation function required for SMAD1 or SMAD2 to stimulate transcription. Component of the multimeric SMAD3/SMAD4/JUN/FOS complex which forms at the AP1 promoter site; required for synergistic transcriptional activity in response to TGF-beta. Acts synergistically with SMAD1 and YY1 in bone morphogenetic protein (BMP)-mediated cardiac-specific gene expression. Binds to SMAD binding elements (SBEs) (5'-GTCT/AGAC-3') within BMP response element (BMPRE) of cardiac activating regions. May act as a tumor suppressor. Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator. In muscle physiology, plays a central role in the balance between atrophy and hypertrophy. When recruited by MSTN, promotes atrophy response via phosphorylated SMAD2/4. MSTN decrease causes SMAD4 release and subsequent recruitment by the BMP pathway to promote hypertrophy via phosphorylated SMAD1/5/8.

亚细胞位置:

Cytoplasm Nucleus Cytoplasmic in the absence of ligand. Migrates to the nucleus when complexed with R-SMAD. PDPK1 prevents its nuclear translocation in response to TGF-beta.

数据库链接

UniGene:

Bt.13220

SMR:

Q1HE26

STRING:

9913.ENSBTAP00000009081

KEGG:

bta:540248

Pfam:

PF03165

Uniprot:

Q1HE26

相关产品

Human SMAD4 ELISA Kit

Mouse Smad4 ELISA Kit

Rat Smad4 ELISA Kit

Pig SMAD4 ELISA Kit

Human SMAD4 CLIA Kit

序列长度:

553

序列:

仅供参考，详细请咨询（services@eiaab.com）

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PLD

3D 模型:

3D 结构:

免疫原序列:

验证序列:

该产品尚未在任何出版物中被引用。

[1].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒可以做多少个样本？

牛母亲DDP同源物4(SMAD4)ELISA试剂盒分为2种规格，96孔和48孔。96孔的试剂盒，标曲和样本都做复孔的话，可以检测40个样本。96孔的试剂盒，标曲和样本都不做复孔的话，可以检测88个样本。

[2].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒使用视频？

牛母亲DDP同源物4(SMAD4)ELISA试剂盒实验操作视频在以下网址中，对每一步的实验步骤都做了演示，方便实验员能更好地理解ELISA实验的过程。
https://www.eiaab.com.cn/lesson-tech/805.html

[3].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒是放在-20℃冰箱保存吗？

EIAab的牛母亲DDP同源物4(SMAD4)ELISA试剂盒，洗涤液、底物、终止液保存于4℃，其余试剂-20℃冰箱保存。

[4].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒原理？

双抗体夹心法：用纯化的抗体包被微孔板，制成固相抗体，往包被有固相抗体的微孔中依次加入标准品或受检样本、生物素化抗体、HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。用酶标仪在450nm波长下测定吸光度(OD值）,计算样本浓度。
竞争法：用纯化的抗体包被微孔板，制成固相抗体，往包被有固相抗体的微孔中依次加入标准品或受检样本和生物素标记的目标分析物，受检标本中抗原与生物素标记抗原竞争结合有限的抗体。再加入HRP标记的亲和素，经过彻底洗涤后用底物TMB显色。用酶标仪在450nm波长下测定吸光度(OD值）,计算样本浓度。

[5].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒中需要使用的样品量是多少？

夹心法100μL/孔，竞争法50μL/孔。如样本浓度过高时，应对样本进行稀释，以使稀释后的样本符合试剂盒的检测范围，计算时再乘以相应的稀释倍数。

[6].

如何分析牛母亲DDP同源物4(SMAD4)ELISA试剂盒数据？

建议标准曲线，并计算样本浓度。对于elisa的曲线拟合，一般建议采用4参数曲线拟合，4参数曲线拟合通常更适合免疫分析。推荐使用专业软件进行曲线拟合，例如curve expert 1.3。根据样本的OD值由标曲查出相应的浓度，再乘以稀释倍数；或用标准物的浓度与OD值计算出标曲的回归方程式，将样本的OD值代入方程式，计算出样本浓度，再乘以稀释倍数，即为样本的实际浓度。以下链接是curve expert 1.3软件拟合曲线的方法。
https://www.eiaab.com.cn/news/502/

[7].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒中是否包含人和动物的副产物，是否包含感染的或者传染性原料如HIV等？

除了抗体和稀释液中的BSA，不含其它人和动物的副产物，也不含感染材料。

[8].

收集牛母亲DDP同源物4(SMAD4)ELISA试剂盒血浆样本，用什么作为抗凝剂？

一般建议用EDTA和肝素作为抗凝剂。

[9].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒酶标板可以拆成几部分？拆的时候是否需要避光，无菌？

牛母亲DDP同源物4(SMAD4)ELISA试剂盒酶标板是8×12孔条，可拆卸，板子可以拆成12条，注意避免孔污染，不需要避光和无菌。暂时不用的板子，放回原来装的袋子里，密封保存。

[10].

牛母亲DDP同源物4(SMAD4)ELISA试剂盒样本如何保存？

尽量检测新鲜样本。若无新鲜样本，则4℃保存1周，-20℃保存1个月，-80℃保存2个月。

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Bovine SMAD4/ Mothers against decapentaplegic homolog 4 ELISA Kit 母亲DDP同源物4

E1925b

SMAD family member 4, SMAD 4, MAD homolog 4

Bovine SMAD4/ Mothers against decapentaplegic homolog 4 ELISA Kit
母亲DDP同源物4