Date published: 2026-4-5

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STRAP Antibody (E-8): sc-377345

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Datasheets
  • STRAP Antibody (E-8) is a mouse monoclonal IgG1 κ STRAP antibody, cited in 1 publications, provided at 200 µg/ml
  • raised against amino acids 1-116 mapping at the N-terminus of STRAP of human origin
  • STRAP Antibody (E-8) is recommended for detection of STRAP of mouse, rat and human origin by WB, IP, IF and ELISA; also reactive with additional species, including and equine, canine, bovine and porcine
  • Anti-STRAP Antibody (E-8) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for STRAP Antibody (E-8) for WB applications. These reagents are now offered in bundles with STRAP Antibody (E-8) (see ordering information below).
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STRAP Antibody (E-8) is a mouse monoclonal IgG1 kappa light chain antibody that detects STRAP protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). STRAP (E-8) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. STRAP protein plays a crucial role in regulating TGFβ signaling pathway, which is essential for various cellular processes, including cell growth, differentiation, and apoptosis. STRAP acts as an antagonist to TGFβ signaling by interacting with Smad7, a key mediator in this pathway, thereby inhibiting TGFβ-induced transcriptional activation. This interaction helps maintain cellular homeostasis and prevent excessive signaling that could lead to pathological conditions. The gene encoding human homolog of STRAP, known as unr-interacting protein, is located on chromosome 12p12.3 and exhibits 97% amino acid homology with STRAP, highlighting evolutionary conservation across species. Unr-interacting protein binds to unr, a cytoplasmic RNA-binding protein involved in RNA translation, further emphasizing STRAP′s multifaceted roles in cellular regulation. STRAP gene presence across species, from mammals to yeast, underscores its fundamental importance in eukaryotic cell biology.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

STRAP Antibody (E-8) References:

  1. unr, a cellular cytoplasmic RNA-binding protein with five cold-shock domains, is required for internal initiation of translation of human rhinovirus RNA.  |  Hunt, SL., et al. 1999. Genes Dev. 13: 437-48. PMID: 10049359
  2. STRAP and Smad7 synergize in the inhibition of transforming growth factor beta signaling.  |  Datta, PK. and Moses, HL. 2000. Mol Cell Biol. 20: 3157-67. PMID: 10757800
  3. Smad7 and Smad6 differentially modulate transforming growth factor beta -induced inhibition of embryonic lung morphogenesis.  |  Zhao, J., et al. 2000. J Biol Chem. 275: 23992-7. PMID: 10801843
  4. Identification of STRAP, a novel WD domain protein in transforming growth factor-beta signaling.  |  Datta, PK., et al. 1998. J Biol Chem. 273: 34671-4. PMID: 9856985

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

STRAP Antibody (E-8)

sc-377345
200 µg/ml
$322.00

STRAP Antibody (E-8): m-IgG Fc BP-HRP Bundle

sc-527598
200 µg Ab; 10 µg BP
$361.00

STRAP Antibody (E-8): m-IgG1 BP-HRP Bundle

sc-532971
200 µg Ab; 20 µg BP
$361.00

STRAP Antibody (E-8) AC

sc-377345 AC
500 µg/ml, 25% agarose
$424.00

STRAP Antibody (E-8) HRP

sc-377345 HRP
200 µg/ml
$322.00

STRAP Antibody (E-8) FITC

sc-377345 FITC
200 µg/ml
$336.00

STRAP Antibody (E-8) PE

sc-377345 PE
200 µg/ml
$349.00

STRAP Antibody (E-8) Alexa Fluor® 488

sc-377345 AF488
200 µg/ml
$364.00

STRAP Antibody (E-8) Alexa Fluor® 546

sc-377345 AF546
200 µg/ml
$364.00

STRAP Antibody (E-8) Alexa Fluor® 594

sc-377345 AF594
200 µg/ml
$364.00

STRAP Antibody (E-8) Alexa Fluor® 647

sc-377345 AF647
200 µg/ml
$364.00

STRAP Antibody (E-8) Alexa Fluor® 680

sc-377345 AF680
200 µg/ml
$364.00

STRAP Antibody (E-8) Alexa Fluor® 790

sc-377345 AF790
200 µg/ml
$364.00

What is the recommended starting dilution for Western blot for sc-377345: STRAP (E-8) monoclonal antibody?

Asked by: Germaine
The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
Answered by: Technical Support
Date published: 2017-03-22
  • y_2026, m_3, d_27, h_8CST
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Rated 3 out of 5 by from good antibodyI tested it in WB with a concentration of 1:1000 on melanoma cell lines A375 and SK-Mel-5. The results was not very good because i obtained more then one band really near to the molecular weight indicated on the datasheet for STRAP so it was not easy to understand which was the right one.
Date published: 2021-12-14
Rated 5 out of 5 by from OttimoHo testato l'anticorpo in western blot (1:500) riscontrando un ottimo funzionamento.
Date published: 2017-12-07
Rated 5 out of 5 by from Nice Western Blot data of STRAP expression in nonNice Western Blot data of STRAP expression in non-transfected and human STRAP transfected 293 whole cell lysates. -SCBT QC
Date published: 2015-02-19
Rated 5 out of 5 by from Produced positive Western Blot data of STRAPProduced positive Western Blot data of STRAP expression in Hep G2 whole cell lysate. -SCBT QC
Date published: 2014-06-10
  • y_2026, m_3, d_27, h_8
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STRAP Antibody (E-8) is rated 4.5 out of 5 by 4.
  • y_2026, m_3, d_27, h_8
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