A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes

Protein arginine methyltransferases (PRMTs) play important roles in transcription, splicing, DNA damage repair, RNA biology, and cellular metabolism. Thus, PRMTs have been attractive targets for various diseases. In this study, we reported the design and synthesis of a potent pan-inhibitor for PRMTs...

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Main Authors: Iredia D. Iyamu, Ayad A. Al-Hamashi, Rong Huang
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/11/6/854
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author Iredia D. Iyamu
Ayad A. Al-Hamashi
Rong Huang
author_facet Iredia D. Iyamu
Ayad A. Al-Hamashi
Rong Huang
author_sort Iredia D. Iyamu
collection DOAJ
description Protein arginine methyltransferases (PRMTs) play important roles in transcription, splicing, DNA damage repair, RNA biology, and cellular metabolism. Thus, PRMTs have been attractive targets for various diseases. In this study, we reported the design and synthesis of a potent pan-inhibitor for PRMTs that tethers a thioadenosine and various substituted guanidino groups through a propyl linker. Compound II757 exhibits a half-maximal inhibition concentration (IC<sub>50</sub>) value of 5 to 555 nM for eight tested PRMTs, with the highest inhibition for PRMT4 (IC<sub>50</sub> = 5 nM). The kinetic study demonstrated that II757 competitively binds at the SAM binding site of PRMT1. Notably, II757 is selective for PRMTs over a panel of other methyltransferases, which can serve as a general probe for PRMTs and a lead for further optimization to increase the selectivity for individual PRMT.
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spelling doaj.art-c59f26d06ce1427683212f1a6b6c56db2023-11-21T23:12:59ZengMDPI AGBiomolecules2218-273X2021-06-0111685410.3390/biom11060854A Pan-Inhibitor for Protein Arginine Methyltransferase Family EnzymesIredia D. Iyamu0Ayad A. Al-Hamashi1Rong Huang2Department of Medicinal Chemistry and Molecular Pharmacology, Institute for Drug Discovery, Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USADepartment of Medicinal Chemistry and Molecular Pharmacology, Institute for Drug Discovery, Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USADepartment of Medicinal Chemistry and Molecular Pharmacology, Institute for Drug Discovery, Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USAProtein arginine methyltransferases (PRMTs) play important roles in transcription, splicing, DNA damage repair, RNA biology, and cellular metabolism. Thus, PRMTs have been attractive targets for various diseases. In this study, we reported the design and synthesis of a potent pan-inhibitor for PRMTs that tethers a thioadenosine and various substituted guanidino groups through a propyl linker. Compound II757 exhibits a half-maximal inhibition concentration (IC<sub>50</sub>) value of 5 to 555 nM for eight tested PRMTs, with the highest inhibition for PRMT4 (IC<sub>50</sub> = 5 nM). The kinetic study demonstrated that II757 competitively binds at the SAM binding site of PRMT1. Notably, II757 is selective for PRMTs over a panel of other methyltransferases, which can serve as a general probe for PRMTs and a lead for further optimization to increase the selectivity for individual PRMT.https://www.mdpi.com/2218-273X/11/6/854protein arginine methyltransferasesinhibitormethyltransferasecompetitive inhibitor
spellingShingle Iredia D. Iyamu
Ayad A. Al-Hamashi
Rong Huang
A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
Biomolecules
protein arginine methyltransferases
inhibitor
methyltransferase
competitive inhibitor
title A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
title_full A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
title_fullStr A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
title_full_unstemmed A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
title_short A Pan-Inhibitor for Protein Arginine Methyltransferase Family Enzymes
title_sort pan inhibitor for protein arginine methyltransferase family enzymes
topic protein arginine methyltransferases
inhibitor
methyltransferase
competitive inhibitor
url https://www.mdpi.com/2218-273X/11/6/854
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AT ayadaalhamashi apaninhibitorforproteinargininemethyltransferasefamilyenzymes
AT ronghuang apaninhibitorforproteinargininemethyltransferasefamilyenzymes
AT irediadiyamu paninhibitorforproteinargininemethyltransferasefamilyenzymes
AT ayadaalhamashi paninhibitorforproteinargininemethyltransferasefamilyenzymes
AT ronghuang paninhibitorforproteinargininemethyltransferasefamilyenzymes