Date published: 2026-4-15

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Rho GDIα Antibody (G-2): sc-373724

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Datasheets
  • Rho GDIα Antibody (G-2) is a mouse monoclonal IgG2b κ Rho GDIα antibody, cited in 19 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 2-29 at the N-terminus of Rho GDIα of human origin
  • Rho GDI alpha Antibody (G-2) is recommended for detection of Rho GDIα of mouse, rat, human and origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including and equine, canine, bovine, porcine and avian
  • Anti-Rho GDI alpha Antibody (G-2) 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-IgGκ BP-HRP is the preferred secondary detection reagent for Rho GDIα Antibody (G-2) for WB and IHC(P) applications. This reagent is now offered in a bundle with Rho GDIα Antibody (G-2) (see ordering information below). For additional m-IgGκ BP conjugates see our complete list of Mouse IgG Binding Proteins.
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Rho GDIα Antibody (G-2) is a mouse monoclonal IgG2b kappa light chain antibody that detects Rho GDI alpha protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). anti-Rho GDIα antibody (G-2) 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. Rho GDIα, also known as ARHGDIA or GDIA1, is a 204 amino acid protein that plays a crucial role in regulating the activity of Rho proteins, which are essential for various cellular processes such as proliferation, cytoskeletal dynamics, and secretion. Located primarily in the cytoplasm, Rho GDIα functions by inhibiting the dissociation of guanosine diphosphate (GDP) from Rho proteins, thereby preventing the activation of these proteins by guanosine triphosphate (GTP). This regulatory mechanism is vital for maintaining cellular homeostasis and ensuring proper signaling pathways are activated at the right times. Notably, Rho GDIα can undergo post-translational modification through phosphorylation at Ser 101 by p21-activated kinase (αPAK), which inhibits its activity and may lead to positive feedback regulation of certain target proteins. This intricate balance of activation and inhibition underscores the importance of Rho GDIα in cellular signaling and its potential implications in various diseases, making anti-Rho GDIα antibody (G-2) an invaluable tool for researchers studying these pathways.

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

Rho GDIα Antibody (G-2) References:

  1. Progressive impairment of kidneys and reproductive organs in mice lacking Rho GDIalpha.  |  Togawa, A., et al. 1999. Oncogene. 18: 5373-80. PMID: 10498891
  2. Mechanism of NADPH oxidase activation by the Rac/Rho-GDI complex.  |  Di-Poï, N., et al. 2001. Biochemistry. 40: 10014-22. PMID: 11513579
  3. Phosphorylation of RhoGDI by Pak1 mediates dissociation of Rac GTPase.  |  DerMardirossian, C., et al. 2004. Mol Cell. 15: 117-27. PMID: 15225553
  4. Uncoupling of inhibitory and shuttling functions of rho GDP dissociation inhibitors.  |  Dransart, E., et al. 2005. J Biol Chem. 280: 4674-83. PMID: 15513926
  5. Phosphorylation of RhoGDI by Src regulates Rho GTPase binding and cytosol-membrane cycling.  |  DerMardirossian, C., et al. 2006. Mol Biol Cell. 17: 4760-8. PMID: 16943322
  6. Rho GDP dissociation inhibitor alpha interacts with estrogen receptor alpha and influences estrogen responsiveness.  |  El Marzouk, S., et al. 2007. J Mol Endocrinol. 39: 249-59. PMID: 17909265
  7. Activity of the Bcr GTPase-activating domain is regulated through direct protein/protein interaction with the Rho guanine nucleotide dissociation inhibitor.  |  Kweon, SM., et al. 2008. J Biol Chem. 283: 3023-3030. PMID: 18070886
  8. Regulation of RhoA signaling by the cAMP-dependent phosphorylation of RhoGDIα.  |  Oishi, A., et al. 2012. J Biol Chem. 287: 38705-15. PMID: 23012358
  9. Structural and Mechanistic Insights into the Regulation of the Fundamental Rho Regulator RhoGDIα by Lysine Acetylation.  |  Kuhlmann, N., et al. 2016. J Biol Chem. 291: 5484-5499. PMID: 26719334
  10. RhoGDIα suppresses self-renewal and tumorigenesis of glioma stem cells.  |  Wu, F., et al. 2016. Oncotarget. 7: 61619-61629. PMID: 27557508
  11. Identification of two human Rho GDP dissociation inhibitor proteins whose overexpression leads to disruption of the actin cytoskeleton.  |  Leffers, H., et al. 1993. Exp Cell Res. 209: 165-74. PMID: 8262133
  12. A somatic cell hybrid panel for distal 17q: GDIA1 maps to 17q25.3.  |  Wagner, T., et al. 1997. Cytogenet Cell Genet. 76: 172-5. PMID: 9186513

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Rho GDIα Antibody (G-2)

sc-373724
200 µg/ml
$322.00

Rho GDIα Antibody (G-2): m-IgGκ BP-HRP Bundle

sc-522470
200 µg Ab, 40 µg BP
$361.00

Rho GDIα Antibody (G-2) AC

sc-373724 AC
500 µg/ml, 25% agarose
$424.00

Rho GDIα Antibody (G-2) HRP

sc-373724 HRP
200 µg/ml
$322.00

Rho GDIα Antibody (G-2) FITC

sc-373724 FITC
200 µg/ml
$336.00

Rho GDIα Antibody (G-2) PE

sc-373724 PE
200 µg/ml
$349.00

Rho GDIα Antibody (G-2) Alexa Fluor® 488

sc-373724 AF488
200 µg/ml
$364.00

Rho GDIα Antibody (G-2) Alexa Fluor® 546

sc-373724 AF546
200 µg/ml
$364.00

Rho GDIα Antibody (G-2) Alexa Fluor® 594

sc-373724 AF594
200 µg/ml
$364.00

Rho GDIα Antibody (G-2) Alexa Fluor® 647

sc-373724 AF647
200 µg/ml
$364.00

Rho GDIα Antibody (G-2) Alexa Fluor® 680

sc-373724 AF680
200 µg/ml
$364.00

Rho GDIα Antibody (G-2) Alexa Fluor® 790

sc-373724 AF790
200 µg/ml
$364.00

Rho GDIα (G-2) Neutralizing Peptide

sc-373724 P
100 µg/0.5 ml
$69.00

What application is the blocking peptide sc-373724 P appropriate for?

Asked by: Germaine
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by from Excellent in WBDetects very strong single band of the appropriate size in cell lines and tissue lysates of mouse and human origin. Can easily use at 1:4,000 or 1:8,000 (maybe lot dependent though).
Date published: 2018-05-17
Rated 5 out of 5 by from Great antibody!!This antibody is really good and spesific for Rho-GDIα expression in HEK293T whole cell lysates.
Date published: 2018-03-17
Rated 5 out of 5 by from Work perfectlyUse at 1:400 on human primary macrophages and work perfectly without any other bands or background
Date published: 2017-10-17
Rated 4 out of 5 by from it works well on IHC and western blotit works well it works well on IHC and western blot for human skin tissue
Date published: 2017-10-12
Rated 5 out of 5 by from Excellent!This antibody works great in western blot analysis of Rho GDIα expression in K-562, MCF7, Jurkat, PC-12, HL-60 and HeLa whole cell lysates.
Date published: 2017-02-06
Rated 5 out of 5 by from Produced nice Western blot data of Rho GDIProduced nice Western blot data of Rho GDI expression in K-562 and MCF7 whole cell lysates. -SCBT QC
Date published: 2014-10-06
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Rho GDIα Antibody (G-2) is rated 4.8 out of 5 by 6.
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