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AB81764

Recombinant Human Smad4 protein

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(3 Publications)

Recombinant Human Smad4 protein is a Human Full Length protein, expressed in Escherichia coli, with >90%, suitable for SDS-PAGE, WB, EMSA.

View Alternative Names

DPC4, MADH4, SMAD4, Mothers against decapentaplegic homolog 4, MAD homolog 4, Mothers against DPP homolog 4, Deletion target in pancreatic carcinoma 4, SMAD family member 4, SMAD 4, Smad4, hSMAD4

2 Images
Western blot - Recombinant Human Smad4 protein (AB81764)
  • WB

Unknown

Western blot - Recombinant Human Smad4 protein (AB81764)

All lanes:

Anti-Smad4 antibody (<a href='/en-us/products/unavailable/smad4-antibody-ab65217'>ab65217</a>) at 1/500 dilution

All lanes:

Western blot - Recombinant Human Smad4 protein (ab81764) at 0.1 µg

Secondary

All lanes:

Goat polyclonal to Rabbit IgG - H&L - Pre-Adsorbed (HRP) (ab65484) at 1/5000 dilution

true

Exposure time: 8min

SDS-PAGE - Recombinant Human Smad4 protein (AB81764)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant Human Smad4 protein (AB81764)

3ug by SDS-PAGE under reducing condition and visualized by coomassie blue stain.

Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Tags

Tag free

Applications

WB, EMSA, SDS-PAGE

applications

Biologically active

No

Accession

Q13485

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 20% Glycerol (glycerin, glycerine), 0.316% Tris HCl

storage-buffer

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "EMSA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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AB253211

Human SMAD4 ELISA Kit

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We recommend this product because it’s often used in the same experiment or related research.

We advise that you always check the datasheet to ensure it fits your experiments, or contact ourtechnical teamfor help.

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Sequence info

[{"sequence":"MGSSHHHHHHSSGLVPRGSHMDNMSITNTPTSNDACLSIVHSLMCHRQGGESETFAKRAIESLVKKLKEKKDELDSLITAITTNGAHPSKCVTIQRTLDGRLQVAGRKGFPHVIYARLWRWPDLHKNELKHVKYCQYAFDLKCDSVCVNPYHYERVVSPGIDLSGLTLQSNAPSSMMVKDEYVHDFEGQPSLSTEGHSIQTIQHPPSNRASTETYSTPALLAPSESNATSTANFPNIPVASTSQPASILGGSHSEGLLQIASGPQPGQQQNGFTGQPATYHHNSTTTWTGSRTAPYTPNLPHHQNGHLQHHPPMPPHPGHYWPVHNELAFQPPISNHPAPEYWCSIAYFEMDVQVGETFKVPSSCPIVTVDGYVDPSGGDRFCLGQLSNVHRTEAIERARLHIGKGVQLECKGEGDVWVRCLSDHAVFVQSYYLDREAGRAPGDAVHKIYPSAYIKVFDLRQCHRQMQQQAATAQAAAAAQAAAVAGNIPGPGSVGGIAPAISLSAAAGIGVDDLRRLCILRMSFVKGWGPDYPRQSIKETPCWIEIHLHRALQLLDEVLHTMPIADPQPLD","proteinLength":"Full Length","predictedMolecularWeight":null,"actualMolecularWeight":null,"aminoAcidEnd":0,"aminoAcidStart":0,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q13485","tags":[]}]
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Smad4 also known as DPC4 or MADH4 is a central protein in the TGF-beta signaling pathway with a molecular mass of approximately 60 kDa. It acts as a signal transducer that facilitates communication from the cell surface to the nucleus. Smad4 is broadly expressed in various tissues playing an important role in the regulation of cellular processes. It forms a complex with receptor-regulated Smads (R-Smads) to translocate to the nucleus where it influences gene transcription.
Biological function summary

Smad4 influences cell proliferation differentiation and apoptosis by mediating signals from TGF-beta cytokines. It is part of the Smad protein family acting as a transcriptional controller. Upon TGF-beta receptor activation Smad4 forms complexes with Smad2 and Smad3 translocating to the nucleus to regulate genes imperative for cellular homeostasis. Its role in cell cycle regulation underlines its contribution to normal cellular functions and its potential involvement in disorders.

Pathways

Smad4 operates within the TGF-beta pathway linking extracellular signals to nuclear transcription alterations. It participates in the regulation of epithelial-mesenchymal transition (EMT) a process important for development and tumor progression. In these pathways Smad4 interacts closely with Smad2 and Smad3 orchestrating various cellular responses to external stimuli through transcriptional management.

Smad4 is highly related to cancer and juvenile polyposis syndrome. Mutations or deletions in Smad4 disrupt its function contributing to the progression of pancreatic cancer and colorectal cancer among others. Within these contexts Smad4 connects strongly to other proteins like p21 and cyclin-dependent kinase inhibitors which are important in cell cycle arrest and impede tumor growth.
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Specifications

Form

Liquid

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General info

Function

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. 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 (By similarity). 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 (PubMed : 25514493). 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. 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.

Sequence similarities

Belongs to the dwarfin/SMAD family.

Post-translational modifications

Phosphorylated by PDPK1.. Monoubiquitinated on Lys-519 by E3 ubiquitin-protein ligase TRIM33. Monoubiquitination hampers its ability to form a stable complex with activated SMAD2/3 resulting in inhibition of TGF-beta/BMP signaling cascade. Deubiquitination by USP9X restores its competence to mediate TGF-beta signaling.

Subcellular localisation

Nucleus

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Product protocols

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Target data

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. 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 (By similarity). 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 (PubMed : 25514493). 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. 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.
See full target information SMAD4
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Publications (3)

Recent publications for all applications. Explore the full list and refine your search

eLife 11: PubMed35666955

2022

Species-specific sensitivity to TGFβ signaling and changes to the Mmp13 promoter underlie avian jaw development and evolution.

Applications

Unspecified application

Species

Unspecified reactive species

Spenser S Smith,Daniel Chu,Tiange Qu,Jessye A Aggleton,Richard A Schneider

Nature microbiology 4:339-351 PubMed30510168

2018

Antiviral activity of bone morphogenetic proteins and activins.

Applications

Unspecified application

Species

Unspecified reactive species

Lucy A Eddowes,Kinda Al-Hourani,Narayan Ramamurthy,Jamie Frankish,Hannah T Baddock,Cynthia Sandor,John D Ryan,Dahlene N Fusco,João Arezes,Eleni Giannoulatou,Sara Boninsegna,Stephane Chevaliez,Benjamin M J Owens,Chia Chi Sun,Paolo Fabris,Maria Teresa Giordani,Diego Martines,Slobodan Vukicevic,John Crowe,Herbert Y Lin,Jan Rehwinkel,Peter J McHugh,Marco Binder,Jodie L Babitt,Raymond T Chung,Matthew W Lawless,Andrew E Armitage,Caleb Webber,Paul Klenerman,Hal Drakesmith

Cancer research 71:234-44 PubMed21084277

2010

Phosphatase PRL-3 is a direct regulatory target of TGFbeta in colon cancer metastasis.

Applications

EMSA

Species

Unspecified reactive species

Yanjun Jiang,Xiao-Qiong Liu,Ashwani Rajput,Liying Geng,Melanie Ongchin,Qi Zeng,Gregory S Taylor,Jing Wang
View all publications
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions
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Associated Products

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Alternative Product
Proteins & Peptides

AB84652

Recombinant Human Smad4 protein

proteins-peptides

recombinant-human-smad4-protein-ab84652

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