Date published: 2025-9-5

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COPA Antibody (H-3): sc-398099

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Datasheets
  • COPA Antibody (H-3) is a mouse monoclonal IgG2b κ COPA antibody, cited in 10 publications, provided at 200 µg/ml
  • raised against amino acids 934-1233 mapping at the C-terminus of COPA of human origin
  • COPA Antibody (H-3) is recommended for detection of COPA of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-COPA Antibody (H-3) 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
  • Contact our Technical Service Department (or your local Distributor) for more information on how to receive a FREE 10 µg sample of COPA (H-3): sc-398099.
  • m-IgG2b BP-HRP is the preferred secondary detection reagent for COPA Antibody (H-3) for WB applications. This reagent is now offered in a bundle with COPA Antibody (H-3) (see ordering information below).

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COPA Antibody (H-3) is a mouse monoclonal IgG2b kappa light chain antibody that detects COPA protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-COPA antibody (H-3) 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. COPA protein, also known as α-coat protein, plays a crucial role in the early secretory pathway by mediating membrane and vesicular trafficking through non-Clathrin coat protein I-coated vesicles. COPI-coated vesicles are essential for retrograde transport from Golgi apparatus back to endoplasmic reticulum, as well as for intra-Golgi transport, which is vital for maintaining cellular function and homeostasis. The heptameric coatomer complex, which is the cytosolic precursor of the COPI coat, consists of two subcomplexes: one containing β-, γ-, δ-, and ζ-COP subunits, and another comprising α-COP, b′-COP, and ε-COP subunits. Understanding COPA structure and function is important, as COPA not only facilitates proper trafficking of proteins within cells but also plays a significant role in various cellular processes, including secretion and signal transduction.

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

COPA Antibody (H-3) References:

  1. Dsl1p, an essential component of the Golgi-endoplasmic reticulum retrieval system in yeast, uses the same sequence motif to interact with different subunits of the COPI vesicle coat.  |  Andag, U. and Schmitt, HD. 2003. J Biol Chem. 278: 51722-34. PMID: 14504276
  2. The alpha- and beta'-COP WD40 domains mediate cargo-selective interactions with distinct di-lysine motifs.  |  Eugster, A., et al. 2004. Mol Biol Cell. 15: 1011-23. PMID: 14699056
  3. Molecular and cellular studies of the human homolog of the 160-kD alpha-subunit of the coatomer protein complex.  |  Quek, HH. and Chow, VT. 1997. DNA Cell Biol. 16: 275-80. PMID: 9115636
  4. Alpha coat protein COPA (HEP-COP): presence of an Alu repeat in cDNA and identity of the amino terminus to xenin.  |  Chow, VT. and Quek, HH. 1997. Ann Hum Genet. 61: 369-73. PMID: 9365789
  5. Specific interaction of Golgi coatomer protein alpha-COP with phosphatidylinositol 3,4,5-trisphosphate.  |  Chaudhary, A., et al. 1998. J Biol Chem. 273: 8344-50. PMID: 9525943
  6. Xenin--a review.  |  Feurle, GE. 1998. Peptides. 19: 609-15. PMID: 9533652
  7. Alpha-COP can discriminate between distinct, functional di-lysine signals in vitro and regulates access into retrograde transport.  |  Schröder-Köhne, S., et al. 1998. J Cell Sci. 111 (Pt 23): 3459-70. PMID: 9811561

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

COPA Antibody (H-3)

sc-398099
200 µg/ml
$316.00

COPA Antibody (H-3): m-IgG2b BP-HRP Bundle

sc-548785
200 µg Ab; 10 µg BP
$354.00

COPA Antibody (H-3) AC

sc-398099 AC
500 µg/ml, 25% agarose
$416.00

COPA Antibody (H-3) HRP

sc-398099 HRP
200 µg/ml
$316.00

COPA Antibody (H-3) FITC

sc-398099 FITC
200 µg/ml
$330.00

COPA Antibody (H-3) PE

sc-398099 PE
200 µg/ml
$343.00

COPA Antibody (H-3) Alexa Fluor® 488

sc-398099 AF488
200 µg/ml
$357.00

COPA Antibody (H-3) Alexa Fluor® 546

sc-398099 AF546
200 µg/ml
$357.00

COPA Antibody (H-3) Alexa Fluor® 594

sc-398099 AF594
200 µg/ml
$357.00

COPA Antibody (H-3) Alexa Fluor® 647

sc-398099 AF647
200 µg/ml
$357.00

COPA Antibody (H-3) Alexa Fluor® 680

sc-398099 AF680
200 µg/ml
$357.00

COPA Antibody (H-3) Alexa Fluor® 790

sc-398099 AF790
200 µg/ml
$357.00

How much protein do you recommend loading on the gel for Western blot detection using COPA (H-3): sc-398099 monoclonal antibody?

Asked by: jenniferc
We recommend loading 40–60 µg whole cell lysate, 10–20 µg nuclear extract, 5-10 µg transfected lysate, or 10–20 ng purified protein per lane. A link to our complete Western blotting protocol is provided here for your reference. https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
Answered by: Santa Cruz TS
Date published: 2017-02-02
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Rated 5 out of 5 by from To be recommendedI bought this Antibody-COPA for IP-WB. It works properly.
Date published: 2022-08-17
Rated 5 out of 5 by from perfect by western blotting (MCF7 cells)I used this antibody for western blotting on MCF7 cell extracts (dilution 1:1000, TBST-5%milk). It produces a clear band at the described size, using normal ECL reagent.
Date published: 2020-02-14
Rated 4 out of 5 by from Great for IF and WB but not IPThis CopA antibody stained Golgi and vesicular pre-Golgi compartments in both HeLa and COS7 cells very nicely. It works with both MeOH and PFA followed by detergent extraction. I also tried doing IP, but didn't work in my hands.
Date published: 2018-11-30
Rated 5 out of 5 by from Works wellI got this as a free trial sample and used it with primary cortical neuron samples. The bands were robust with only 10ug loaded/lane and there were no secondary bands.
Date published: 2018-02-26
Rated 5 out of 5 by from Funziona benissimo!Ho testato questo Ab in Immunofluorescenza su fibroblasti immortalizzati ed ho ottenuto immagini molto belle, con un pattern di marcatura specifico e pulito. Lo consiglio!
Date published: 2017-11-15
Rated 5 out of 5 by from Excellent anticorps !J'ai utilisé cet anticorps dans des cellules HEK293T : anticorps spécifique et sensible.
Date published: 2017-10-17
Rated 5 out of 5 by from Excellent for WBit works excellent for WB in our lab, will keep usinig it
Date published: 2017-09-18
Rated 5 out of 5 by from Clean and clear bands detectedClean and distinct bands detected by Western blot in multiple cell lines. Highly recommended
Date published: 2017-01-06
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COPA Antibody (H-3) is rated 4.9 out of 5 by 10.
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