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Crystal structures of human ENPP1 in apo and bound forms.


ABSTRACT: Cancer is one of the leading causes of mortality in humans, and recent work has focused on the area of immuno-oncology, in which the immune system is used to specifically target cancerous cells. Ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) is an emerging therapeutic target in human cancers owing to its role in degrading cyclic GMP-AMP (cGAMP), an agonist of the stimulator of interferon genes (STING). The available structures of ENPP1 are of the mouse enzyme, and no structures are available with anything other than native nucleotides. Here, the first X-ray crystal structures of the human ENPP1 enzyme in an apo form, with bound nucleotides and with two known inhibitors are presented. The availability of these structures and a robust crystallization system will allow the development of structure-based drug-design campaigns against this attractive cancer therapeutic target.

SUBMITTER: Dennis ML 

PROVIDER: S-EPMC7466750 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Crystal structures of human ENPP1 in apo and bound forms.

Dennis Matthew L ML   Newman Janet J   Dolezal Olan O   Hattarki Meghan M   Surjadi Regina N RN   Nuttall Stewart D SD   Pham Tam T   Nebl Tom T   Camerino Michelle M   Khoo Poh Sim PS   Monahan Brendon J BJ   Peat Thomas S TS  

Acta crystallographica. Section D, Structural biology 20200817 Pt 9


Cancer is one of the leading causes of mortality in humans, and recent work has focused on the area of immuno-oncology, in which the immune system is used to specifically target cancerous cells. Ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) is an emerging therapeutic target in human cancers owing to its role in degrading cyclic GMP-AMP (cGAMP), an agonist of the stimulator of interferon genes (STING). The available structures of ENPP1 are of the mouse enzyme, and no structures are a  ...[more]

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