Calcineurin, also called Protein Phosphatase 2B, PP2B, PPP2B, Protein Phosphatase 3, and PPP3, is an enzyme that dephosphorylates serine and threonine residues in proteins. It is a heterodimer of a 59,000 dalton catalytic A subunit and a 1,900 dalton regulatory B subunit that is activated by the binding of calcium ions and calmodulin (1). Calcineurin is expressed in many tissues, but its levels are highest in the brain, where it may play a role in learning and memory (2). It has many substrates, including NFAT, a transcription factor that is activated by dephosphorylation (3). Complexes of the immunosuppressants cyclosporin and FK506 with immunophilin proteins such as cyclophilin and FKBP12 are potent and specific inhibitors of Calcineurin activity (4). Alterations in Calcineurin activity are suspected to play a role in cardiac hypertrophy (5) and graft versus host disease in organ transplantation (6).
Human/Mouse/Rat Calcineurin B Antibody
R&D Systems | Catalog # AF1348
Key Product Details
Species Reactivity
Validated:
Human, Mouse, Rat
Cited:
Human, Mouse, Rat, Hamster
Applications
Validated:
Western Blot, Simple Western
Cited:
Immunohistochemistry, Western Blot, Immunoprecipitation
Label
Unconjugated
Antibody Source
Polyclonal Rabbit IgG
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Product Specifications
Immunogen
E. coli-derived recombinant human Calcineurin B
Accession # P63098
Accession # P63098
Specificity
Detects human, mouse, and rat Calcineurin B in Western blots.
Clonality
Polyclonal
Host
Rabbit
Isotype
IgG
Scientific Data Images for Human/Mouse/Rat Calcineurin B Antibody
Detection of Human/Mouse/Rat Calcineurin B by Western Blot.
Western blot shows lysates of mouse brain tissue, HT-29 human colon adenocarcinoma cell line, PC-12 rat adrenal pheochromocytoma cell line, C6 rat glioma cell line, and TS1 mouse helper T cell line. PVDF membrane was probed with 0.25 µg/mL of Rabbit Anti-Human/Mouse/Rat Calcineurin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1348) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Calcineurin B at approximately 19 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.Detection of Human Calcineurin B by Simple WesternTM.
Simple Western lane view shows lysates of HT‑29 human colon adenocarcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Calcineurin B at approximately 24 kDa (as indicated) using 2.5 µg/mL of Rabbit Anti-Human/Mouse/Rat Calcineurin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1348). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.Applications for Human/Mouse/Rat Calcineurin B Antibody
Application
Recommended Usage
Simple Western
2.5 µg/mL
Sample: HT‑29 human colon adenocarcinoma cell line
Sample: HT‑29 human colon adenocarcinoma cell line
Western Blot
0.25 µg/mL
Sample: Mouse brain tissue, HT-29 human colon adenocarcinoma cell line, PC-12 rat adrenal pheochromocytoma cell line, C6 rat glioma cell line, and TS1 mouse helper T cell line
Sample: Mouse brain tissue, HT-29 human colon adenocarcinoma cell line, PC-12 rat adrenal pheochromocytoma cell line, C6 rat glioma cell line, and TS1 mouse helper T cell line
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Calcineurin B
References
- Stemmer, P.M and C.B. Klee (1994) Biochemistry 33:6859.
- Zeng H. et al. (2001) Cell 107:617.
- Okamura, H. et al. (2000) Molecular Cell 6:539.
- Liu, J. et al. (1992) Biochemistry 31:3896.
- Molkentin, J.D. (2000) Circulation Research 87:731.
- Sanquer, S.A. et al. (2004) Transplantation 77:854.
Alternate Names
CALNB1, Cnb1, MCIP1, PP2B beta 1, PPP3R1
Gene Symbol
PPP3R1
UniProt
Additional Calcineurin B Products
Product Documents for Human/Mouse/Rat Calcineurin B Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human/Mouse/Rat Calcineurin B Antibody
For research use only
Citations for Human/Mouse/Rat Calcineurin B Antibody
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars