|Application ||WB, IHC|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||80955 Da|
|Other Names||Alpha-adducin, Erythrocyte adducin subunit alpha, ADD1, ADDA|
|Target/Specificity||A synthetic phospho-peptide corresponding to residues surrounding Ser481 of human alpha Adducin was used as an immunogen. The antibody only detects alpha Adducin phosphorylated on Serine 481.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||Adducin alpha Antibody Phospho (pS481) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Membrane-cytoskeleton-associated protein that promotes the assembly of the spectrin-actin network. Binds to calmodulin.|
|Cellular Location||Cytoplasm, cytoskeleton. Cell membrane; Peripheral membrane protein; Cytoplasmic side|
|Tissue Location||Expressed in all tissues. Found in much higher levels in reticulocytes than the beta subunit|
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Provided below are standard protocols that you may find useful for product applications.
Adducin is a membrane skeletal protein that binds to actin filaments (F-actin) and promotes the association of spectrin with F-actin to form a spectrin-actin meshwork beneath plasma membranes (1-2). Adducin is a heterodimeric protein that consists of related subunits; ? and ?, or ? and ? subunits (3). Adducin binds with high affinity to Ca(2+)/calmodulin and is a substrate for protein kinase C (PKC), and protein kinase A (PKA) (4). PKA specifically phosphorylates Ser408, Ser436, and Ser481 located in the neck domain of alpha Adducin. Phosphorylation of Adducin alpha by Rho-kinase at Thr445 and Thr480 enhances the F-actin-binding activity of Adducin alpha (5).
1. Gardner K, Bennett V., J Biol Chem 261:1339-1348, 1986.
2. Kuhlman PE, et al. J Biol. Chem, 271: 7986-7991, 1996.
3. Dong, LC, et al. J Biol Chem 270: 25534-25540, 1995.
4. Palfrey HC, et al. J Biol Chem. 260:16021-16029, 1985.
5. Fukata, et al. J Cell Biol, 145:347-361, 1995.
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