Date published: 2026-5-6

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C5b-9 Antibody (2A1): sc-66190

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Datasheets
  • C5b-9 Antibody (2A1) is a mouse monoclonal IgG1 κ C5b-9 antibody, cited in 12 publications, provided at 200 µg/ml
  • raised against purified C5b-9 of rat origin
  • C5b-9 Antibody (2A1) is recommended for detection of a neoantigen of the C5b-9 complex of mouse and rat origin by WB and IF
  • Anti-C5b-9 Antibody (2A1) 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 C5b-9 Antibody (2A1) for WB applications. These reagents are now offered in bundles with C5b-9 Antibody (2A1) (see ordering information below).
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C5b-9 Antibody (2A1) is a mouse monoclonal IgG1 kappa light chain antibody that detects C5b-9 protein of mouse and rat origin by western blotting (WB) and immunofluorescence (IF). Anti-C5b-9 antibody (2A1) 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. C5b-9 protein is a crucial component of the complement system, formed during the activation of complement proteins C5, C6, C7, C8, and C9, which collectively contribute to immune responses. C5b-9 protein plays a dual role in the immune system; while promoting cell lysis through the formation of the membrane attack complex, C5b-9 protein also induces cell cycle activation and survival in certain contexts, such as in oligodendrocytes, where C5b-9 protein can protect against FAS-mediated apoptosis by modulating caspase-8 processing via phosphoinositide 3-kinase signaling. The balance between pro-inflammatory and neuroprotective roles is particularly significant in conditions like multiple sclerosis, where C5b-9 protein may exacerbate inflammation during the acute phase while offering protective effects in the chronic phase. Understanding the functional dynamics of C5b-9 protein is essential for elucidating implications in various pathological conditions and therapeutic strategies.

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

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

C5b-9 Antibody (2A1)

sc-66190
200 µg/ml
$322.00

C5b-9 Antibody (2A1): m-IgG Fc BP-HRP Bundle

sc-526976
200 µg Ab; 10 µg BP
$361.00

C5b-9 Antibody (2A1): m-IgG1 BP-HRP Bundle

sc-532349
200 µg Ab; 20 µg BP
$361.00

C5b-9 Antibody (2A1) AC

sc-66190 AC
500 µg/ml, 25% agarose
$424.00

C5b-9 Antibody (2A1) HRP

sc-66190 HRP
200 µg/ml
$322.00

C5b-9 Antibody (2A1) FITC

sc-66190 FITC
200 µg/ml
$336.00

C5b-9 Antibody (2A1) PE

sc-66190 PE
200 µg/ml
$349.00

C5b-9 Antibody (2A1) Alexa Fluor® 488

sc-66190 AF488
200 µg/ml
$364.00

C5b-9 Antibody (2A1) Alexa Fluor® 546

sc-66190 AF546
200 µg/ml
$364.00

C5b-9 Antibody (2A1) Alexa Fluor® 594

sc-66190 AF594
200 µg/ml
$364.00

C5b-9 Antibody (2A1) Alexa Fluor® 647

sc-66190 AF647
200 µg/ml
$364.00

C5b-9 Antibody (2A1) Alexa Fluor® 680

sc-66190 AF680
200 µg/ml
$364.00

C5b-9 Antibody (2A1) Alexa Fluor® 790

sc-66190 AF790
200 µg/ml
$364.00

Molecular weight, WB without reference?

Asked by: lancet
Thank you for your question. It would be helpful if you could call 021 60936350 or email us, asia@scbio.cn, allowing for a more interactive discussion of this and other related questions.
Answered by: Ling Chen
Date published: 2025-03-26

Are there any issues with using sc-66190: C5b-9 (2A1) mouse monoclonal primary antibody on human samples?For flow cytometer?

Asked by: Jingchao
Thank you for your question. C5b-9 Antibody (2A1): sc-66190 is recommended for detection of a neoantigen of the C5b-9 complex of mouse and rat origin by WB and IF. It is not recommended for detection of human C5b-9. The antibody has not been tested for flow cytometry and currently there is no data indicating whether or not the antibody is suitable for this application.
Answered by: Tech Support Europe
Date published: 2019-05-27

Are there any issues with using sc-66190: C5b-9 (2A1) mouse monoclonal primary antibody on mouse samples?

Asked by: TinTin
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent,we recommend using a directly conjugated primary antibody. Please contact our special orders department for pricing and availability of sc-66190 conjugates.
Answered by: Technical Support
Date published: 2017-03-07
  • y_2026, m_5, d_5, h_11CST
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Rated 4 out of 5 by from Workded as expected.Worked well for IF staining in the in vitro bacterial killing experiment.
Date published: 2019-04-24
Rated 4 out of 5 by from 结果符合预期以小鼠作为模式动物,流式检测补体系统在损伤的肝细胞表面的激活。 选择荧光直标抗体后,检测结果较好。 对于诱导损伤的肝细胞Necrosis-1和-2,均能检测到显著的C5b-9结合。
Date published: 2019-02-12
Rated 4 out of 5 by from Works well for IF applicationsWorks well for IF applications, positive in guinea pig nerve samples. -SCBT Publication Review
Date published: 2015-02-03
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C5b-9 Antibody (2A1) is rated 4.0 out of 5 by 3.
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