Date published: 2026-1-11

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IP3R-I/II/III Antibody (B-2): sc-377518

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Datasheets
  • IP3R-I/II/III Antibody (B-2) is a mouse monoclonal IgG2b IP3R-I/II/III antibody, cited in 27 publications, provided at 200 µg/ml
  • raised against amino acids 2402-2701 mapping at the C-terminus of IP3R-II of human origin
  • IP3R-I/II/III Antibody (B-2) is recommended for detection of IP3R-I, IP3R-II and IP3R-III of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-IP3R-I/II/III Antibody (B-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-IgG2b BP-HRP is the preferred secondary detection reagent for IP3R-I/II/III Antibody (B-2) for WB and IHC(P) applications. This reagent is now offered in a bundle with IP3R-I/II/III Antibody (B-2) (see ordering information below).

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IP3R-I/II/III Antibody (B-2) is a mouse monoclonal IgG2b antibody designed to detect all three subtypes of the inositol 1,4,5-trisphosphate receptor (IP3R), namely IP3R-I, IP3R-II, and IP3R-III, which are also known as INSP3R1, INSP3R2, and INSP3R3 respectively. Anti-IP3R antibody (B-2) is raised against amino acids 2402-2701 at the C-terminus of the human IP3R-II protein, ensuring precise binding and high specificity. IP3R proteins are located on the membrane of the endoplasmic reticulum (ER) within the cell, where they function as crucial calcium release channels. This localization is essential for regulating intracellular calcium levels, which in turn control a variety of cellular processes such as exocrine secretion, energy metabolism, and cell growth. By mediating calcium signaling, IP3Rs play a pivotal role in maintaining cellular homeostasis and enabling communication between the ER and other cellular compartments. IP3R monoclonal antibody (B-2) exhibits broad species reactivity, effectively recognizing IP3R-I, IP3R-II, and IP3R-III from mouse, rat, and human origins across multiple applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Additionally, anti-IP3R antibody (B-2) is available in both non-conjugated form and various conjugated forms such as agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates, providing versatile options for diverse experimental needs. By targeting all major IP3R subtypes, IP3R monoclonal antibody (B-2) facilitates comprehensive studies of calcium signaling pathways and their impact on neurological, hepatic, and metabolic functions.

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

IP3R-I/II/III Antibody (B-2) References:

  1. In situ hybridization of mRNA expression for IP3 receptor and IP3-3-kinase in rat brain after transient focal cerebral ischemia.  |  Zhang, SX., et al. 1995. Brain Res Mol Brain Res. 32: 252-60. PMID: 7500836
  2. The inositol 1,4,5-triphosphate receptor expression in Drosophila suggests a role for IP3 signalling in muscle development and adult chemosensory functions.  |  Raghu, P. and Hasan, G. 1995. Dev Biol. 171: 564-77. PMID: 7556937
  3. Heteroligomers of type-I and type-III inositol trisphosphate receptors in WB rat liver epithelial cells.  |  Joseph, SK., et al. 1995. J Biol Chem. 270: 23310-6. PMID: 7559486
  4. Sequence and functional characterization of a third inositol trisphosphate receptor subtype, IP3R-3, expressed in pancreatic islets, kidney, gastrointestinal tract, and other tissues.  |  Blondel, O., et al. 1993. J Biol Chem. 268: 11356-63. PMID: 8388391
  5. Calcineurin associated with the inositol 1,4,5-trisphosphate receptor-FKBP12 complex modulates Ca2+ flux.  |  Cameron, AM., et al. 1995. Cell. 83: 463-72. PMID: 8521476
  6. Ataxia and epileptic seizures in mice lacking type 1 inositol 1,4,5-trisphosphate receptor.  |  Matsumoto, M., et al. 1996. Nature. 379: 168-71. PMID: 8538767
  7. Regulation of the inositol 1,4,5-trisphosphate receptor by tyrosine phosphorylation.  |  Jayaraman, T., et al. 1996. Science. 272: 1492-4. PMID: 8633244
  8. Lymphocyte apoptosis: mediation by increased type 3 inositol 1,4,5-trisphosphate receptor.  |  Khan, AA., et al. 1996. Science. 273: 503-7. PMID: 8662540

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

IP3R-I/II/III Antibody (B-2)

sc-377518
200 µg/ml
$322.00

IP3R-I/II/III Antibody (B-2): m-IgG2b BP-HRP Bundle

sc-548766
200 µg Ab; 10 µg BP
$361.00

IP3R-I/II/III Antibody (B-2) AC

sc-377518 AC
500 µg/ml, 25% agarose
$424.00

IP3R-I/II/III Antibody (B-2) HRP

sc-377518 HRP
200 µg/ml
$322.00

IP3R-I/II/III Antibody (B-2) FITC

sc-377518 FITC
200 µg/ml
$336.00

IP3R-I/II/III Antibody (B-2) PE

sc-377518 PE
200 µg/ml
$349.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 488

sc-377518 AF488
200 µg/ml
$364.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 546

sc-377518 AF546
200 µg/ml
$364.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 594

sc-377518 AF594
200 µg/ml
$364.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 647

sc-377518 AF647
200 µg/ml
$364.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 680

sc-377518 AF680
200 µg/ml
$364.00

IP3R-I/II/III Antibody (B-2) Alexa Fluor® 790

sc-377518 AF790
200 µg/ml
$364.00

저희는 IP3R의 isoform type과 관계없이 C-terminal detection을 하고 싶습니다. 혹시 type 1,2,3에 따라서 band intensity가 달라질 수 있나요?

Asked by: MBIL
Thank you for your question. Please contact our Technical Service Department for more information. Our Asian Technical Service team is available at asia@scbio.cn or by live chat on our website.
Answered by: Technical Service SH
Date published: 2025-08-17

IP3R-I/II/III 抗体 (B-2): sc-377518此抗体是ITPR1/2/3这三型蛋白都能结合么?

Asked by: marynaxj
感谢您的提问。都能检测的。更多问题,欢迎通过:电话(+86) 021-60936350、邮箱asia@scbio.cn、或选择网页上Live Chat中的“中文支持”,联系我们的技术支持部门。 Thank you for your inquiry. Yes, recommended for detection of IP3R-I, IP3R-II and IP3R-III of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA. For more questions, please contact our Asian Technical Service team at (+86) 021-60936350 or asia@scbio.cn or by live chat on our website.
Answered by: Technical Support 15
Date published: 2017-10-30

Is antigen retrieval necessary when using this antibody in IHC(P)?

Asked by: AbPolly
Thank you for your question. We do recommend antigen retrieval when working with paraffin-embedded sections, specifically sodium citrate buffer, pH 6.0, and heat. Our full protocol can be found on our website here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Service
Date published: 2017-02-03
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Rated 3 out of 5 by from It worksUsed in total lysates at 1:250 dilution in blocking solution overnight at 4C.
Date published: 2021-12-02
Rated 3 out of 5 by from Works, but not super strongUsed in H9 hESC and HEK293T lysates to optimise this and other antibodies. Used at 1:1000 dilution in 5% milk in TBST for 24hrs at 4C.
Date published: 2021-08-24
Rated 1 out of 5 by from No signal in WBI tested this antibody on mouse and human whole cell lysates and no signal was detected.
Date published: 2020-11-18
Rated 1 out of 5 by from This antibody does not recognize IP3R-IIIWe tried this antibody using lysates from cells expressing R1 only, R2 only, R3 only. Conclusion: this antibody recognized R2 very strongly but did not recognize R3 at all ( Human R3 or rat R3). Also, it recognized over-expressed R1 very very weakly. Therefore, it is not a pan-antibody.
Date published: 2017-09-21
Rated 5 out of 5 by from Very good IP3R antibody. I tested in WB and IF.very good IP3R antibody. I tested in WB(1:500) and IF(1:50),it works very well!
Date published: 2017-08-26
Rated 5 out of 5 by from clean blot seenclean blot seen,you can tried 1:400 to 1:1000 dilution,this conceration is enough detect IP3R-I/II/III ,the target at above250kda, recommend use 6% SDS-PAGE.
Date published: 2017-06-25
Rated 5 out of 5 by from A good antibodyWe use this as a loading control for WB, It always very good quality
Date published: 2017-06-01
Rated 5 out of 5 by from reommend useThis antibody gave strong and clear detection of IP3R-I/II/III , allowing us to trace translocation from the cytoplasm to nucleus by IF with a standard secondary antibody.
Date published: 2017-02-05
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IP3R-I/II/III Antibody (B-2) is rated 4.1 out of 5 by 13.
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