5j6d

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Discovery of acyl guanidine tryptophan hydroxylase-1 inhibitorsDiscovery of acyl guanidine tryptophan hydroxylase-1 inhibitors

Structural highlights

5j6d is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.9Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

TPH1_HUMAN

Publication Abstract from PubMed

An increasing number of diseases have been linked to a dysfunctional peripheral serotonin system. Given that tryptophan hydroxylase 1 (TPH1) is the rate limiting enzyme in the biosynthesis off serotonin, it represents an attractive target to regulate peripheral serotonin. Following up to our first disclosure, we report a new chemotype of TPH1 inhibitors where-by the more common central planar heterocycle has been replaced with an open-chain, acyl guanidine surrogate. Through our work, we found that compounds of this nature provide highly potent TPH1 inhibitors with favorable physicochemical properties that were effective in reducing murine intestinal 5-HT in vivo. Furthermore, we obtained a high resolution (1.90A) X-ray structure crystal structure of one of these inhibitors (compound 51) that elucidated the active conformation along with revealing a dimeric form of TPH1 for the first time.

Discovery of acyl guanidine tryptophan hydroxylase-1 inhibitors.,Goldberg DR, De Lombaert S, Aiello R, Bourassa P, Barucci N, Zhang Q, Paralkar V, Stein AJ, Valentine J, Zavadoski W Bioorg Med Chem Lett. 2016 Jun 15;26(12):2855-60. doi:, 10.1016/j.bmcl.2016.04.057. Epub 2016 Apr 21. PMID:27146606[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Goldberg DR, De Lombaert S, Aiello R, Bourassa P, Barucci N, Zhang Q, Paralkar V, Stein AJ, Valentine J, Zavadoski W. Discovery of acyl guanidine tryptophan hydroxylase-1 inhibitors. Bioorg Med Chem Lett. 2016 Jun 15;26(12):2855-60. doi:, 10.1016/j.bmcl.2016.04.057. Epub 2016 Apr 21. PMID:27146606 doi:http://dx.doi.org/10.1016/j.bmcl.2016.04.057

5j6d, resolution 1.90Å

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OCA