Date published: 2026-6-4

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Rab 3/16 Antibody (G-1): sc-271044

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Datasheets
  • Rab 3/16 Antibody (G-1) is a mouse monoclonal IgG2a κ Rab 3/16 antibody provided at 200 µg/ml
  • raised against amino acids 1-220 representing full length Rab 3A of human origin
  • Rab 3/16 Antibody (G-1) is recommended for detection of Rab 3A, Rab 3B, Rab 3C, Rab 3D and Rab 16 of mouse, rat and human origin by WB, IP, IF and ELISA; may cross-react with other Rab family members
  • Anti-Rab 3/16 Antibody (G-1) 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-IgG2a BP-HRP is the preferred secondary detection reagent for Rab 3/16 Antibody (G-1) for WB applications. This reagent is now offered in a bundle with Rab 3/16 Antibody (G-1) (see ordering information below).
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    Rab 3/16 Antibody (G-1) is a mouse monoclonal IgG2a kappa light chain antibody that detects Rab 3/16 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-Rab 3/16 antibody (G-1) 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. Rab 3/16 protein is a member of the Ras-related superfamily of guanine nucleotide-binding proteins, which play a crucial role in intracellular membrane trafficking. Specifically, Rab proteins are essential for the transport of newly synthesized proteins from the endoplasmic reticulum to the Golgi apparatus and ultimately to secretory vesicles. This transport process is vital for maintaining cellular function and homeostasis, as proteins reach their correct destinations within the cell. Rab proteins facilitate the movement of carrier vesicles through both endocytosis and exocytosis, and may direct the fusion of secretory vesicles with the plasma membrane. At least eight distinct members of the Rab family have been identified, each associated with specific stages of membrane transport pathways, highlighting their complexity and importance in cellular logistics.

    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

    Rab 3/16 Antibody (G-1) References:

    1. GTP-binding proteins in intracellular transport.  |  Pfeffer, SR. 1992. Trends Cell Biol. 2: 41-6. PMID: 14731525
    2. The complexity of the Rab and Rho GTP-binding protein subfamilies revealed by a PCR cloning approach.  |  Chavrier, P., et al. 1992. Gene. 112: 261-4. PMID: 1555775
    3. Cloning of a Rab3 isotype predominantly expressed in adipocytes.  |  Baldini, G., et al. 1992. Proc Natl Acad Sci U S A. 89: 5049-52. PMID: 1594612
    4. The human Rab genes encode a family of GTP-binding proteins related to yeast YPT1 and SEC4 products involved in secretion.  |  Zahraoui, A., et al. 1989. J Biol Chem. 264: 12394-401. PMID: 2501306
    5. Long non-coding RNA X-inactive specific transcript promotes osteosarcoma metastasis via modulating microRNA-758/Rab16.  |  Liu, W., et al. 2021. Ann Transl Med. 9: 841. PMID: 34164475
    6. RAB3 phosphorylation by pathogenic LRRK2 impairs trafficking of synaptic vesicle precursors.  |  Dou, D., et al. 2024. J Cell Biol. 223: PMID: 38512027
    7. Expression and localization of two low molecular weight GTP-binding proteins, Rab8 and Rab10, by epitope tag.  |  Chen, YT., et al. 1993. Proc Natl Acad Sci U S A. 90: 6508-12. PMID: 7688123
    8. Coatomers and SNAREs in promoting membrane traffic.  |  Takizawa, PA. and Malhotra, V. 1993. Cell. 75: 593-6. PMID: 8242734
    9. Friends and family: the role of the Rab GTPases in vesicular traffic.  |  Novick, P. and Brennwald, P. 1993. Cell. 75: 597-601. PMID: 8242735
    10. The role of GTP-binding proteins in transport along the exocytic pathway.  |  Ferro-Novick, S. and Novick, P. 1993. Annu Rev Cell Biol. 9: 575-99. PMID: 8280472
    11. Association of the low molecular weight GTP-binding protein rap2B with the cytoskeleton during platelet aggregation.  |  Torti, M., et al. 1993. Proc Natl Acad Sci U S A. 90: 7553-7. PMID: 8356055
    12. Identification of small GTP-binding rab proteins in human platelets: thrombin-induced phosphorylation of rab3B, rab6, and rab8 proteins.  |  Karniguian, A., et al. 1993. Proc Natl Acad Sci U S A. 90: 7647-51. PMID: 8356066

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Rab 3/16 Antibody (G-1)

    sc-271044
    200 µg/ml
    $322.00

    Rab 3/16 Antibody (G-1): m-IgG2a BP-HRP Bundle

    sc-545929
    200 µg Ab; 10 µg BP
    $361.00

    Rab 3/16 Antibody (G-1) AC

    sc-271044 AC
    500 µg/ml, 25% agarose
    $424.00

    Rab 3/16 Antibody (G-1) HRP

    sc-271044 HRP
    200 µg/ml
    $322.00

    Rab 3/16 Antibody (G-1) FITC

    sc-271044 FITC
    200 µg/ml
    $336.00

    Rab 3/16 Antibody (G-1) PE

    sc-271044 PE
    200 µg/ml
    $349.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 488

    sc-271044 AF488
    200 µg/ml
    $364.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 546

    sc-271044 AF546
    200 µg/ml
    $364.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 594

    sc-271044 AF594
    200 µg/ml
    $364.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 647

    sc-271044 AF647
    200 µg/ml
    $364.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 680

    sc-271044 AF680
    200 µg/ml
    $364.00

    Rab 3/16 Antibody (G-1) Alexa Fluor® 790

    sc-271044 AF790
    200 µg/ml
    $364.00

    What is the recommended starting dilution for Western blot for sc-271044: Rab 3/16 (G-1) monoclonal antibody?

    Asked by: Professor Griffin
    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
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    Rated 3 out of 5 by from Weak SignalI tested this antibody on mouse brain lysate, detected a very weak protein band (around 20 kDa) in WB (1:200 dilution).
    Date published: 2018-07-09
    Rated 5 out of 5 by from good quanlities!WB on HCC cell lines, dilute in 1:1000,it works well.
    Date published: 2017-05-03
    Rated 5 out of 5 by from High specificity of signal seen in Western BlotHigh specificity of signal seen in Western Blot -SCBT QC
    Date published: 2013-12-06
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    Rab 3/16 Antibody (G-1) is rated 4.3 out of 5 by 3.
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