Coevolution-based prediction of key allosteric residues for protein function regulation
Allostery is fundamental to many biological processes. Due to the distant regulation nature, how allosteric mutations, modifications, and effector binding impact protein function is difficult to forecast.
Juan Xie +4 more
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Prediction and confirmation of a switch-like region within the N-terminal domain of hSIRT1
Many proteins display conformational changes resulting from allosteric regulation. Often only a few residues are crucial in conveying these structural and functional allosteric changes.
Angelina T. Huynh +10 more
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Conformational change associated with allosteric regulation in a protein is ultimately driven by energy transformation. However, little is known about the latter process.
Shizhen Wang +2 more
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The Allosteric Regulation of Pyruvate Kinase [PDF]
Pyruvate kinase (PK) is critical for the regulation of the glycolytic pathway. The regulatory properties of Escherichia coli were investigated by mutating six charged residues involved in interdomain salt bridges (Arg(271), Arg(292), Asp(297), and Lys(413)) and in the binding of the allosteric activator (Lys(382) and Arg(431)).
VALENTINI, GIOVANNA +5 more
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The allosteric regulation of pyruvate kinase [PDF]
Crystallographic and mutagenesis studies have unravelled the general features of the allosteric transition mechanism in pyruvate kinase. The enzyme displays a dramatic conformational change in going from the T‐ to the R‐state. All three domains forming each subunit of the tetrameric enzyme undergo simultaneous and concerted rotations, in such a way ...
MATTEVI, ANDREA +2 more
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Quaternary structure is an essential component that contributes to the sophisticated allosteric regulation mechanism in a key enzyme from Mycobacterium tuberculosis. [PDF]
The first enzyme of the shikimate pathway, 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase (DAH7PS), adopts a range of distinct allosteric regulation mechanisms in different organisms, related to different quaternary assemblies.
Wanting Jiao +3 more
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Design of an allosterically regulated retroaldolase [PDF]
AbstractWe employed a minimalist approach for design of an allosterically controlled retroaldolase. Introduction of a single lysine residue into the nonenzymatic protein calmodulin led to a 15,000‐fold increase in the second order rate constant for retroaldol reaction with methodol as a substrate.
Elizabeth A, Raymond +5 more
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Molecular Structure Underlying the Allosteric Mechanism of Caffeine Detection in Taste Sensor
The use of taste sensors with lipid/polymer membranes is one of the methods to evaluate taste. As previously reported, taste sensors can detect non-charged substances such as caffeine by modifying the lipid/polymer membranes with hydroxybenzoic acids ...
Hengwei Xu +4 more
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Multiple conformations in solution of the maize C4-phosphoenolpyruvate carboxylase isozyme
The photosynthetic phosphoenolpyruvate carboxylase isozyme from C4 plants (PEPC-C4) has a complex allosteric regulation, involving positive cooperativity in binding the substrate phosphoenolpyruvate as well as positive and negative allosteric effectors ...
Fátima Barreda-Huerta +3 more
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Computational Analysis of Residue Interaction Networks and Coevolutionary Relationships in the Hsp70 Chaperones: A Community-Hopping Model of Allosteric Regulation and Communication. [PDF]
Allosteric interactions in the Hsp70 proteins are linked with their regulatory mechanisms and cellular functions. Despite significant progress in structural and functional characterization of the Hsp70 proteins fundamental questions concerning modularity
Gabrielle Stetz, Gennady M Verkhivker
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