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Rabbit Recombinant Monoclonal SMAD3 antibody. Suitable for ChIC/CUT&RUN-seq, IP, ChIP, WB, ICC/IF, Flow Cyt (Intra) and reacts with Human, Mouse, Rat, Recombinant fragment - Human samples. Cited in 48 publications.


Images

Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (AB202445), expandable thumbnail
  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (AB202445), expandable thumbnail
  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (AB202445), expandable thumbnail
  • ChIP - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (AB202445), expandable thumbnail
  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (AB202445), expandable thumbnail

Publications

Key facts

Isotype

IgG

Host species

Rabbit

Storage buffer

pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA

Form

Liquid

Clonality

Monoclonal

Immunogen

  • The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

Select an application
Product promiseTestedExpectedPredictedNot recommended
ChIC/CUT&RUN-seqIPChIPWBICC/IFFlow Cyt (Intra)
Human
Tested
Tested
Tested
Tested
Tested
Tested
Mouse
Expected
Expected
Expected
Tested
Expected
Expected
Rat
Expected
Expected
Expected
Tested
Expected
Expected
Recombinant fragment - Human
Not recommended
Not recommended
Not recommended
Tested
Not recommended
Not recommended

Tested
Tested

Species

Human

Dilution info

-

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant fragment - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

1/40

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant fragment - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

2 µg chromatin for 25.00000 µg chromatin

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant fragment - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Recombinant fragment - Human

Dilution info

1/1000

Notes

-

Species

Mouse

Dilution info

1/1000

Notes

-

Species

Rat

Dilution info

1/1000

Notes

-

Species

Human

Dilution info

1/1000

Notes

-

Tested
Tested

Species

Human

Dilution info

1/200

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant fragment - Human

Dilution info

-

Notes

-

Tested
Tested

Species

Human

Dilution info

1/600

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Recombinant fragment - Human

Dilution info

-

Notes

-

Associated Products

Select an associated product type

4 products for Alternative Product

Target data

Function

Receptor-regulated SMAD (R-SMAD) that is an intracellular signal transducer and transcriptional modulator activated by TGF-beta (transforming growth factor) and activin type 1 receptor kinases. Binds the TRE element in the promoter region of many genes that are regulated by TGF-beta and, on formation of the SMAD3/SMAD4 complex, activates transcription. Also can form a SMAD3/SMAD4/JUN/FOS complex at the AP-1/SMAD site to regulate TGF-beta-mediated transcription. Has an inhibitory effect on wound healing probably by modulating both growth and migration of primary keratinocytes and by altering the TGF-mediated chemotaxis of monocytes. This effect on wound healing appears to be hormone-sensitive. Regulator of chondrogenesis and osteogenesis and inhibits early healing of bone fractures. Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator.

Targets

SMAD2

Alternative names

Recommended products

Rabbit Recombinant Monoclonal SMAD3 antibody. Suitable for ChIC/CUT&RUN-seq, IP, ChIP, WB, ICC/IF, Flow Cyt (Intra) and reacts with Human, Mouse, Rat, Recombinant fragment - Human samples. Cited in 48 publications.

Key facts

Isotype

IgG

Form

Liquid

Clonality

Monoclonal

Immunogen
  • The exact immunogen used to generate this antibody is proprietary information.
Clone number

EPR19557-4

Purification technique

Affinity purification Protein A

Concentration
Loading...

Storage

Shipped at conditions

Blue Ice

Appropriate short-term storage duration

1-2 weeks

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

-20°C

Aliquoting information

Upon delivery aliquot

Storage information

Avoid freeze / thaw cycle

Notes

Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Supplementary info

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

Activity summary

Smad2 and Smad3 are intracellular proteins tightly involved in the TGF-β signaling pathway. These proteins also known as mothers against decapentaplegic homolog 2 and 3 play an important role in transmitting signals from the cell surface to the nucleus. Smad2 has a molecular weight of approximately 58 kDa while Smad3 is about 52 kDa. They are expressed in various tissues throughout the body including heart skin and immune cells. Upon activation Smad2 and Smad3 undergo phosphorylation a modification that is important for their function as signal transducers.

Biological function summary

The functions of Smad2 and Smad3 are critical in mediating cellular processes such as proliferation differentiation and apoptosis. These proteins often form complexes specifically oligomeric structures with other Smad proteins like co-Smad4 to exert their regulatory roles. The Smad2/3 complexes control the transcription of specific genes in response to TGF-β stimuli influencing cellular responses in a context-dependent manner.

Pathways

Smad2 and Smad3 are central to the TGF-β signaling pathway one significant pathway that affects cellular growth and differentiation. These proteins interact with TGF-β receptors on the cell surface to become phosphorylated forming a complex with Smad4 which then translocates to the nucleus. In the nucleus this complex regulates gene expression. Both Smad2 and Smad3 also engage with other signaling pathways such as the MAPK pathway further influencing cell behavior and cooperating with proteins like ERK.

Associated diseases and disorders

Smad2 and Smad3 have been linked to conditions like cancer and fibrosis. Dysregulation of Smad2/3 signaling often leads to unchecked cell proliferation a hallmark of tumorigenesis. In fibrosis excessive Smad2/3 activity contributes to tissue scarring due to increased extracellular matrix production. For instance their interaction with proteins like α-SMA (alpha-smooth muscle actin) in fibroblasts plays a role in cardiac and pulmonary fibrosis. Understanding their exact contribution provides insights into potential therapeutic targets for treating these diseases.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
Terms & Conditions.

9 product images

  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Blocking/Dilution buffer: 5% NFDM/TBST.

    Human Smad2 fragment recombinant protein contains aa2-270 with His-Tag®. Human Smad3 fragment recombinant protein contains aa2-227 with His-Tag® and GST-tag.

    All lanes: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/1000 dilution

    Lane 1: Recombinant protein fragment human Smad2 at 0.01 µg

    Lane 2: Recombinant protein fragment human Smad3 at 0.01 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution

    Predicted band size: 52 kDa

    Observed band size: 38 kDa, 60 kDa

    Exposure time: 1s

  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Blocking/Dilution buffer: 5% NFDM/TBST.

    Exposure time: Lane 1/2: 10 seconds; Lane 3: 3 seconds; Lane 4: 1 seconds.

    All lanes: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/2000 dilution

    Lane 1: 293 (Human epithelial cell line from embryonic kidney) whole cell lysate at 10 µg

    Lane 2: HepG2 (Human liver hepatocellular carcinoma cell line) whole cell lysate at 10 µg

    Lane 3: HeLa (Human epithelial cell line from cervix adenocarcinoma) whole cell lysate at 10 µg

    Lane 4: Jurkat (Human T cell leukemia cell line from peripheral blood) whole cell lysate at 10 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution

    Predicted band size: 52 kDa

    Observed band size: 58-62 kDa

  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Blocking/Dilution buffer: 5% NFDM/TBST.

    Exposure time: Lane 1: 30 seconds; Lane 2: 10 seconds.

    All lanes: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/2000 dilution

    Lane 1: Human fetal heart lysate at 10 µg

    Lane 2: Human fetal kidney lysate at 10 µg

    Secondary

    All lanes: Goat Anti-Rabbit IgG Peroxidase Conjugate, specific to the non-reduced form of IgG at 1/10000 dilution

    Predicted band size: 52 kDa

    Observed band size: 58-62 kDa

  • ChIP - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    ChIP - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Chromatin was prepared from HaCaT (Human keratinocyte cell line) cells treated with 7ng/ml TGF-β for 1h and non-treated according to the Abcam X-ChIP protocol. Cells were fixed with formaldehyde for 10 minutes. The ChIP was performed with 25μg of chromatin, 2μg of ab202445 (blue), and 20μl of Anti rabbit IgG sepharose beads. 2μg of rabbit normal IgG was added to the beads control (yellow). The immunoprecipitated DNA was quantified by real time PCR (Sybr green approach).

  • Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Blocking/Dilution buffer: 5% NFDM/TBST.

    Exposure time: Lane 1: 3 minutes; Lane 2: 10 seconds; Lane 3: 30 seconds; Lane 4: 3 seconds; Lane 5: 5 seconds.

    Lane 1: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/1000 dilution

    Lanes 2 and 5: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/2000 dilution

    Lanes 3 - 4: Western blot - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445) at 1/20000 dilution

    Lane 1: Mouse brain lysate at 10 µg

    Lane 2: Mouse heart lysate at 10 µg

    Lane 3: Rat brain lysate at 10 µg

    Lane 4: C6 (Rat glial tumor cell line) whole cell lysate at 10 µg

    Lane 5: Rat spleen lysate at 10 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/100000 dilution

    Predicted band size: 52 kDa

    Observed band size: 58-62 kDa

  • Immunoprecipitation - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Immunoprecipitation - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Smad2 + Smad3 was immunoprecipitated from 0.35mg of HeLa (Human epithelial cell line from cervix adenocarcinoma) whole cell lysate with ab202445 at 1/40 dilution. Western blot was performed from the immunoprecipitate using ab202445 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (VeriBlot for IP Detection Reagent (HRP) ab131366), was used for detection at 1/10000 dilution.

    Lane 1: HeLa whole cell lysate 10μg (Input).

    Lane 2: ab202445 IP in HeLa whole cell lysate.

    Lane 3: Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) instead of ab202445 in HeLa whole cell lysate.

    Blocking and dilution buffer and concentration: 5% NFDM/TBST.

    Exposure time: 3 seconds.

    All lanes: Immunoprecipitation - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

  • Immunocytochemistry/ Immunofluorescence - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Immunocytochemistry/ Immunofluorescence - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized HeLa (Human epithelial cell line from cervix adenocarcinoma) cells labeling Smad2 + Smad3 with ab202445 at 1/200 dilution, followed by Goat Anti-Rabbit IgG (Alexa Fluor® 488) (Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) secondary antibody at 1/1000 dilution (green). The results show signal translocation after TGF-beta (10ng/ml, 1h) treatment on HeLa cells.The nuclear counter stain is DAPI (blue).

    Tubulin is detected with Anti-alpha Tubulin mouse MAb (Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291) at 1/1000 dilution followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120) secondary antibody at 1/1000 dilution (red).

    The negative controls are as follows:
    -ve control 1: ab202445 at 1/200 dilution, followed by Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) (Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120) secondary antibody at 1/1000 dilution.
    -ve control 2: Anti-alpha Tubulin mouse MAb (Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291) at 1/1000 dilution,followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) ab150077) secondary antibody at 1/1000 dilution.

  • Flow Cytometry (Intracellular) - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    Flow Cytometry (Intracellular) - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed HeLa (Human epithelial cell line from cervix adenocarcinoma) cells labeling Smad2 + Smad3 with ab202445 at 1/600 dilution (red) compared with a rabbit monoclonal IgG isotype control (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730; black) and an unlabelled control (cells without incubation with primary antibody and secondary antibody; blue). Goat anti rabbit IgG (Alexa Fluorr® 488) at 1/2000 dilution was used as the secondary antibody.

  • ChIC/CUT&RUN sequencing - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445), expandable thumbnail

    ChIC/CUT&RUN sequencing - Anti-Smad2 + Smad3 antibody [EPR19557-4] - ChIP Grade (ab202445)

    ChIC/CUT&RUN was performed using ta pAG-MNAse at a final concentration of 700 ng/mL, 2.5 x 10^5 HaCaT (Human keratinocyte cell line) cells (treated with 7ng/ml TGF-β for 1h) and 5 µg of ab202445 [EPR19557-4]. The resulting DNA was sequenced on the Illumina NovaSeq 6000 to a depth of 10 million reads. The negative IgG control Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730 is also shown.
    Additional screenshots of mapped reads can be found in the Protocol booklet in the Support and downloads section. The University of Geneva owns patents relevant to ChIC (Chromatin Immuno-Cleavage) methods.

Downloads

Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

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