ArticleDalton transactions (Cambridge, England : 2003)2026
Inhibition of PHPT1 by phenylarsonic acids.
Article in Dalton transactions (Cambridge, England : 2003), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The human protein histidine phosphatase PHPT1 is involved in several important cellular pathways and has been implicated in various cancers. However, the biological roles of this enzyme are not well understood due to a lack of chemical tools that enable its study. Herein we have identified phenylarsonic acids as general scaffolds which inhibit PHPT1 activity. Notably, phenylarsonic acids can be embedded into peptide sequences, providing the first known peptide-based inhibitors of PHPT1. In a counterscreen against a small panel of phosphatases, we demonstrate that these compounds exhibit some selectivity for PHPT1. Moreover, we show that these compounds exhibit mixed inhibition. We provide evidence that reduction of the phenylarsonic acids
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