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Binding Networks Id...
Binding Networks Identify Targetable Protein Pockets for Mechanism-Based Drug Design
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- Balint, Monika (author)
- Univ Pecs, Med Sch, Dept Pharmacol & Pharmacotherapy, Pharmacoinformat Unit, Szigeti Ut 12, H-7624 Pecs, Hungary.
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- Zsido, Balazs Zoltan (author)
- Univ Pecs, Med Sch, Dept Pharmacol & Pharmacotherapy, Pharmacoinformat Unit, Szigeti Ut 12, H-7624 Pecs, Hungary.
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- Van der Spoel, David (author)
- Uppsala universitet,Beräkningsbiologi och bioinformatik
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- Hetenyi, Csaba (author)
- Univ Pecs, Med Sch, Dept Pharmacol & Pharmacotherapy, Pharmacoinformat Unit, Szigeti Ut 12, H-7624 Pecs, Hungary.
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Univ Pecs, Med Sch, Dept Pharmacol & Pharmacotherapy, Pharmacoinformat Unit, Szigeti Ut 12, H-7624 Pecs, Hungary Beräkningsbiologi och bioinformatik (creator_code:org_t)
- 2022-06-30
- 2022
- English.
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In: International Journal of Molecular Sciences. - : MDPI. - 1661-6596 .- 1422-0067. ; 23:13
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Abstract
Subject headings
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- The human genome codes only a few thousand druggable proteins, mainly receptors and enzymes. While this pool of available drug targets is limited, there is an untapped potential for discovering new drug-binding mechanisms and modes. For example, enzymes with long binding cavities offer numerous prerequisite binding sites that may be visited by an inhibitor during migration from a bulk solution to the destination site. Drug design can use these prerequisite sites as new structural targets. However, identifying these ephemeral sites is challenging. Here, we introduce a new method called NetBinder for the systematic identification and classification of prerequisite binding sites at atomic resolution. NetBinder is based on atomistic simulations of the full inhibitor binding process and provides a networking framework on which to select the most important binding modes and uncover the entire binding mechanism, including previously undiscovered events. NetBinder was validated by a study of the binding mechanism of blebbistatin (a potent inhibitor) to myosin 2 (a promising target for cancer chemotherapy). Myosin 2 is a good test enzyme because, like other potential targets, it has a long internal binding cavity that provides blebbistatin with numerous potential prerequisite binding sites. The mechanism proposed by NetBinder of myosin 2 structural changes during blebbistatin binding shows excellent agreement with experimentally determined binding sites and structural changes. While NetBinder was tested on myosin 2, it may easily be adopted to other proteins with long internal cavities, such as G-protein-coupled receptors or ion channels, the most popular current drug targets. NetBinder provides a new paradigm for drug design by a network-based elucidation of binding mechanisms at an atomic resolution.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Keyword
- ligand
- mechanism
- pathway
- dynamics
- channel
Publication and Content Type
- ref (subject category)
- art (subject category)
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