Abstract
The ABC (ATP Binding Cassette) transporter protein superfamily comprises a large number of ubiquitous and functionally versatile proteins conserved from archaea to humans. ABC transporters have a key role in many human diseases and also in the development of multidrug resistance in cancer and in parasites. Although a dramatic progress has been achieved in ABC protein studies in the last decades, we are still far from a detailed understanding of their molecular functions. Several aspects of pharmacological ABC transporter targeting also remain unclear. Here we summarize the conformational and protonation changes of ABC transporters and the potential use of this information in pharmacological design. Network related methods, which recently became useful tools to describe protein structure and dynamics, have not been applied to study allosteric coupling in ABC proteins as yet. A detailed description of the strengths and limitations of these methods is given, and their potential use in describing ABC transporter dynamics is outlined. Finally, we highlight possible future aspects of pharmacological utilization of network methods and outline the future trends of this exciting field.
Keywords: ABC transporters, conformational change, protein dynamics, network pharmacology, protein structure networks, protonation.
Current Pharmaceutical Design
Title:Potential Application of Network Descriptions for Understanding Conformational Changes and Protonation States of ABC Transporters
Volume: 19 Issue: 23
Author(s): Tamas Hegedus, Gergely Gyimesi, Merse E. Gaspar, Kristof Z. Szalay, Rajeev Gangal and Peter Csermely
Affiliation:
Keywords: ABC transporters, conformational change, protein dynamics, network pharmacology, protein structure networks, protonation.
Abstract: The ABC (ATP Binding Cassette) transporter protein superfamily comprises a large number of ubiquitous and functionally versatile proteins conserved from archaea to humans. ABC transporters have a key role in many human diseases and also in the development of multidrug resistance in cancer and in parasites. Although a dramatic progress has been achieved in ABC protein studies in the last decades, we are still far from a detailed understanding of their molecular functions. Several aspects of pharmacological ABC transporter targeting also remain unclear. Here we summarize the conformational and protonation changes of ABC transporters and the potential use of this information in pharmacological design. Network related methods, which recently became useful tools to describe protein structure and dynamics, have not been applied to study allosteric coupling in ABC proteins as yet. A detailed description of the strengths and limitations of these methods is given, and their potential use in describing ABC transporter dynamics is outlined. Finally, we highlight possible future aspects of pharmacological utilization of network methods and outline the future trends of this exciting field.
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Cite this article as:
Hegedus Tamas, Gyimesi Gergely, Gaspar Merse E., Szalay Kristof Z., Gangal Rajeev and Csermely Peter, Potential Application of Network Descriptions for Understanding Conformational Changes and Protonation States of ABC Transporters, Current Pharmaceutical Design 2013; 19 (23) . https://dx.doi.org/10.2174/1381612811319230002
DOI https://dx.doi.org/10.2174/1381612811319230002 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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