Tryptophan Hydroxylase 1/TPH-1: Products

Tryptophan hydroxylase (TPH) belongs to the pterin-dependent, aromatic amino-acid hydroxylase family. It is found in peripheral tissues and pineal gland, and catalyzes the rate-limiting step in serotonin generation from L-tryptophan. The molecule contains two domains, an N-terminal regulatory domain and a C-terminal catalytic domain that contains an iron atom. TPH is constitutively active but unstable. Phosphorylation by PKA at S58 stabilizes the enzyme and increases its activity by 25%. This action is complemented by 14-3-3 proteins that physically interact with phosphorylated TPH to increase both its stability and activity by another 15% to 45% of baseline. Binding of the acidic carboxy terminus of 14-3-3 with the regulatory region of TPH also blocks phosphatase activity directed towards TPH, prolonging its activity.

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Human Tryptophan Hydroxylase 1/TPH-1 Antibody

IHC, WBAF5276 
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Phospho-Tryptophan Hydroxylase 1/TPH‑1 (S58) Antibody

WBPPS039 
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Phospho-Tryptophan Hydroxylase 1/TPH-1 (S260) Antibody

WBPPS063 
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p-Chlorophenylalanine


Tryptophan hydroxylase inhibitor
09382  
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Tryptophan Hydroxylase Pan Specific Antibody

IHC, WBPPS038 
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Human Tryptophan Hydroxylase 1/TPH-1 Antibody

IP, WBMAB5276 
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pCPA methyl ester hydrochloride


Tryptophan hydroxylase inhibitor
5871 
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