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Anti-Phospho-Ser<sup>137</sup> DARPP-32

Anti-Phospho-Ser<sup>137</sup> DARPP-32

Specific for the ~32k DARPP-32 protein phosphorylated at Ser137. Immunolabeling is blocked by preadsorption with the phospho-peptide used as antigen but not by the dephospho-peptide. Prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.

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SPECIFICATIONS

Size

100 ul

Applications

WB

Hosts

Rabbit

Reactivities

Hum, Mouse, Rat, Bov, Can, Ch/Bird

Format

Affinity purified polyclonal antibody

Presku

OAPC00150

Target

DARPP-32 is a dopamine (DA) and cAMP-regulated ~32k phosphoprotein that is associated with dopaminoceptive neurons (Fienberg et al., 1998). The protein inhibits protein phosphatase I when it is phosphorylated on Thr34. In contrast, when DARPP-32 is phosphorylated on Thr75 the protein acts as an inhibitor of PKA (Bibb et al., 1999). Phosphorylation of DARPP-32 is thought to play a critical role in the regulation of dopaminergic neurotransmission. In addition, the activity of DARPP-32 is also thought to play important roles in the actions of alcohol, caffeine and Prozac (Maldve et al., 2002; Lindskog et al., 2002; Svenningsson et al., 2002). Serine 137 is phosphorylated by casein kinase 1 and phosphorylation of this site is increased following acute administration of Prozac (Svenningsson et al., 2002).

Weight

~32kDa

Gene Id

360616

SUPPLIER INFO

Aviva Systems Biology Incorporated

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