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Anti-Phospho-Ser<sup>58</sup> Tryptophan Hydroxylase 1

Anti-Phospho-Ser<sup>58</sup> Tryptophan Hydroxylase 1

Specific for the ~53k tryptophan hydroxylase protein phosphorylated at Ser58. 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, Ch/Bird, Rabbit, ZF/Fish

Format

Affinity purified, polyclonal antibody

Presku

OAPC00203

Target

Tryptophan hydroxylase (TPH) catalyzes the 5-hydroxylation of tryptophan, which is the first step in the biosynthesis of indoleamines (serotonin and melatonin) (Martinez et al., 2001). In mammals, serotonin biosynthesis occurs predominantly in neurons which originate in the Raphe nuclei of the brain, and melatonin synthesis takes place within the pineal gland. Although TPH catalyzes the same reaction within the Raphe nuclei and the pineal gland, TPH activity is rate-limiting for serotonin but not melatonin biosynthesis. Serotonin functions mainly as a neurotransmitter, whereas melatonin is the principal hormone secreted by the pineal gland. The activity of TPH is enhanced by phosphorylation by cAMP-dependent protein kinase (PKA) and Ca2+/calmodulin kinase II (CaM K II) (Jiang et al., 2000; Johansen et al., 1996) Both PKA and CaM K II phosphorylate Ser58 which lies within the regulatory domain of TPH (Kuhn et al., 1997).

Weight

~53kDa

Gene Id

24848

SUPPLIER INFO

Aviva Systems Biology Incorporated

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