Product Pathways - Apoptosis / Autophagy
Phospho-FADD (Ser191) Antibody (Mouse Specific) #2785
| Applications | Reactivity | Sensitivity | MW (kDa) | Source |
|---|---|---|---|---|
| W | M | Endogenous | 30 | Rabbit |
Applications Key:
W=Western Blotting
Reactivity Key:
M=Mouse
Species cross-reactivity is determined by Western blot.
Specificity / Sensitivity
Phospho-FADD (Ser191) Antibody (Mouse Specific) detects endogenous levels of mouse FADD protein only when phosphorylated at serine 191.
Source / Purification
Polyclonal antibodies are produced by immunizing rabbits with a synthetic peptide (KLH coupled) corresponding to residues surrounding Ser191 of mouse FADD. Antibodies are purified by protein A and peptide affinity chromatography.
Western Blotting
Western blot analysis of extracts from A20 and L929 cells treated with 4 mM hydroxyurea or 1 µg/ml nocodazole (each for 20 hours), using Phospho-FADD (Ser191) Antibody (Mouse Specific).
Background
Fas-associated death domain (FADD or Mort 1) functions as an important adaptor in coupling death signaling from membrane receptors, such as the Fas ligand and TNF family (DR3, DR4 and DR5), to caspase-8 (1,2). FADD has a carboxy-terminal death domain, which interacts with the cytoplasmic tail of the membrane receptor, and an amino-terminal death effector domain, which interacts with caspase-8. Clustering of the receptors upon stimulation brings about FADD and caspase-8 oligomerization, activating the caspase signaling pathway. Human FADD is phosphorylated mainly at Ser194, while mouse FADD is phosphorylated at Ser191. In both cases, the phosphorylation is cell cycle-dependent (3) and may be related to its regulatory role in embryonic development and cell cycle progression (4,5).
- Ashkenazi, A. and Dixit, V.M. (1998) Science 281, 1305-1308.
- Kuang, A. A. et al. (2000) J. Biol. Chem. 275, 25065-25068.
- Scaffidi, C. et al. (2000) J. Immunol. 164, 1236-1242.
- Newton, K. et al. (2000) EMBO J. 19, 931-941.
- Zhang, J. et al. (2001) J. Biol. Chem. 276, 29815-29818.
Application References
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This product is for in vitro research use only and is not intended for use in humans or animals. This product is not intended for use as therapeutic or in diagnostic procedures.
