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mad1 (pS463/pS465)/Smad8 (pS465/pS467) Rat, PE-CF594, Clone: N6-1233, BD

Rat Monoclonal Antibody

Manufacturer:  BD Biosciences 563617

Catalog No. BDB563617

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The N6-1233 monoclonal antibody specifically binds to the Smad1 protein phosphorylated at the Ser463/465 sites and the Smad8 protein phosphorylated at the Ser465/467 sites. Smad1 and Smad8 are ∽60 kDa proteins and are members of the Smad superfamily. The Smad family members are divided into three subfamilies: receptor regulated Smads or R-Smads, including Smads1, 2, 3, 5, and 8; common partner Smad, or Co-Smad, including Smad4; and inhibitory Smads, or I-Smad, including Smads 6 and 7. Activation of Transforming Growth Factor-beta (TGF-beta) superfamily serine/threonine kinase receptors, such as TGF-beta and Bone MorphogenicProtein (BMP) receptors, leads to the phosphorylation of R-Smads at several sites. It has been shown that Ser463 and Ser465 of Smad1 are phosphorylated by BMP receptors. In B cells and pre-B cells, BMP-6 has been shown to induce Smad1/5/8 phosphorylation and inhibit cell proliferation. Phosphorylated R-Smads form complexes with Co-Smad and translocate into the nucleus to regulate transcription affecting a wide range of critical processes including cell-fate determination, proliferation, morphogenesis, differentiation and apoptosis. The inhibitory Smads inhibit this pathway through two potential mechanisms: either by preventing R-Smads from binding to their corresponding receptors and/or by competing with Smad4, the Co-Smad, from binding to R-Smads. This antibody may crossreact with Smad5 pS463/pS465 based on sequence homology.

This antibody is conjugated to BD Horizon™ PE-CF594, which has been developed exclusively by BD Biosciences as a better alternative to PE-Texas Red™. PE-CF594 excites and emits at similar wavelengths to PE-Texas Red™ yet exhibits improved brightness and spectral characteristics. Due to PE having maximal absorption peaks at 496nm and 564nm, PE-CF594 can be excited by the blue (488-nm), green (532-nm) and yellow-green (561-nm) lasers and can be detected with the same filter set as PE-Texas Red™ (eg 610/20-nm filter).



mad1 (pS463/pS465)/Smad8 (pS465/pS467)
Smad1,Smad8/Smad9; MADH1, MADH9
Affinity Purified
Phosphorylated Human Smad1 aa 456-465 Peptide
50 Tests
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Flow Cytometry
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
IgG2a, κ
Human, Murine
Product Certifications


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