474 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Light-regulated allosteric switch enables temporal and subcellular control of enzyme activity

    Mark Shaaya, Jordan Fauser ... Andrei V Karginov
    Light-sensitive allosteric switch module, a broadly applicable protein engineering method, is used for the regulation of protein activity with tight temporal control and spatial precision.
    1. Evolutionary Biology
    2. Structural Biology and Molecular Biophysics

    Structurally distributed surface sites tune allosteric regulation

    James W McCormick, Marielle AX Russo ... Kimberly A Reynolds
    Deep mutational scanning of a synthetic allosteric chimera revealed that a sparse set of mutations on the protein surface improved regulation.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Coevolution-based prediction of key allosteric residues for protein function regulation

    Juan Xie, Weilin Zhang ... Luhua Lai
    Key allosteric residues are predicted based on sequence coevolution analysis, which serves as guidelines for allosteric drug design and optimization.
    1. Structural Biology and Molecular Biophysics

    An expanded allosteric network in PTP1B by multitemperature crystallography, fragment screening, and covalent tethering

    Daniel A Keedy, Zachary B Hill ... James S Fraser
    By measuring how multiple conformations shift in response to temperature, a new allosteric binding site is discovered for the phosphatase PTP1B.
    1. Biochemistry and Chemical Biology

    Evolution of (p)ppGpp-HPRT regulation through diversification of an allosteric oligomeric interaction

    Brent W Anderson, Kuanqing Liu ... Jue D Wang
    The signaling ligand (p)ppGpp regulates the enzyme HPRT across species by binding to a novel class of conserved motif, yet its specificity is allosterically altered through evolution of enzyme oligomerization.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Functional cross-talk between allosteric effects of activating and inhibiting ligands underlies PKM2 regulation

    Jamie A Macpherson, Alina Theisen ... Dimitrios Anastasiou
    Specific residues within an enzyme integrate allosteric inputs that originate from distinct ligand-binding pockets.
    1. Medicine
    2. Structural Biology and Molecular Biophysics

    Allosteric communication in class A β-lactamases occurs via cooperative coupling of loop dynamics

    Ioannis Galdadas, Shen Qu ... Shozeb Haider
    A combination of equilibrium and nonequilibrium molecular dynamics simulations is an effective tool to study allosteric communications in ultrafast enzymes that show little or no conformational changes.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Relief of autoinhibition by conformational switch explains enzyme activation by a catalytically dead paralog

    Oleg A Volkov, Lisa Kinch ... Margaret A Phillips
    A catalytically dead paralog activates its cognate enzyme through an allosteric mechanism that combined structural and phylogenomic analysis indicates arose through acquisition of a dimerization domain, suggesting a general model for how complex allostery evolves.
    1. Structural Biology and Molecular Biophysics

    Design of novel cyanovirin-N variants by modulation of binding dynamics through distal mutations

    I Can Kazan, Prerna Sharma ... S Banu Ozkan
    Integrating co-evolution with long-range dynamic coupling analysis allows to identify allosteric mutations that modulate binding affinity, and this approach can be used to design lectins with enhanced binding affinity.
    1. Biochemistry and Chemical Biology

    Assembly status transition offers an avenue for activity modulation of a supramolecular enzyme

    Yao Chen, Weiya Xu ... Chengdong Huang
    Mechanistic studies of glutamine synthetase reveals how the complex quaternary structure organizations of a supramolecular enzyme provides a platform necessary for intricate activity regulation machinery to take place.

Refine your results by:

Type
Research categories