Search Results - "Fuentes, Ernesto J"
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Hidden dynamic allostery in a PDZ domain
Published in Proceedings of the National Academy of Sciences - PNAS (27-10-2009)“…Structure-function relationships in proteins are predicated on the spatial proximity of noncovalently interacting groups of atoms. Thus, structural elements…”
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Conformational Dynamics and Cooperativity Drive the Specificity of a Protein-Ligand Interaction
Published in Biophysical journal (18-06-2019)“…Molecular recognition is critical for the fidelity of signal transduction in biology. Conversely, the disruption of protein-protein interactions can lead to…”
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A novel pathway spatiotemporally activates Rac1 and redox signaling in response to fluid shear stress
Published in The Journal of cell biology (10-06-2013)“…Hemodynamic forces regulate embryonic organ development, hematopoiesis, vascular remodeling, and atherogenesis. The mechanosensory stimulus of blood flow…”
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Distinct Roles for Conformational Dynamics in Protein-Ligand Interactions
Published in Structure (London) (06-12-2016)“…Conformational dynamics has an established role in enzyme catalysis, but its contribution to ligand binding and specificity is largely unexplored. Here we used…”
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The Structure of the Tiam1 PDZ Domain/ Phospho-Syndecan1 Complex Reveals a Ligand Conformation that Modulates Protein Dynamics
Published in Structure (London) (05-03-2013)“…PDZ (PSD-95/Dlg/ZO-1) domains are protein-protein interaction modules often regulated by ligand phosphorylation. Here, we investigated the specificity,…”
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Conservation of Side-Chain Dynamics Within a Protein Family
Published in Journal of the American Chemical Society (13-05-2009)“…The question of protein dynamics and its relevance to function is currently a topic of great interest. Proteins are particularly dynamic at the side-chain…”
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Emerging Themes in PDZ Domain Signaling: Structure, Function, and Inhibition
Published in International review of cell and molecular biology (01-01-2019)“…Post-synaptic density-95, disks-large and zonula occludens-1 (PDZ) domains are small globular protein-protein interaction domains widely conserved from yeast…”
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Evaluation of Energetic and Dynamic Coupling Networks in a PDZ Domain Protein
Published in Journal of molecular biology (01-12-2006)“…A number of computational and experimental studies have identified intramolecular communication “pathways” or “networks” important for transmitting allostery…”
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Distinct Ligand Specificity of the Tiam1 and Tiam2 PDZ Domains
Published in Biochemistry (Easton) (01-03-2011)“…Guanine nucleotide exchange factor proteins of the Tiam family are activators of the Rho GTPase Rac1 and critical for cell morphology, adhesion, migration, and…”
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10
Specificity residues determine binding affinity for two-component signal transduction systems
Published in mBio (05-11-2013)“…Two-component systems (TCS) comprise histidine kinases and their cognate response regulators and allow bacteria to sense and respond to a wide variety of…”
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The Tiam1 PDZ Domain Couples to Syndecan1 and Promotes Cell–Matrix Adhesion
Published in Journal of molecular biology (21-05-2010)“…The T-cell lymphoma invasion and metastasis gene 1 (Tiam1) is a guanine exchange factor (GEF) for the Rho-family GTPase Rac1 that is crucial for the integrity…”
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A Simple PB/LIE Free Energy Function Accurately Predicts the Peptide Binding Specificity of the Tiam1 PDZ Domain
Published in Frontiers in molecular biosciences (26-09-2017)“…PDZ domains generally bind short amino acid sequences at the C-terminus of target proteins, and short peptides can be used as inhibitors or model ligands…”
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Accurate PDZ/Peptide Binding Specificity with Additive and Polarizable Free Energy Simulations
Published in Biophysical journal (13-03-2018)“…PDZ domains contain 80–100 amino acids and bind short C-terminal sequences of target proteins. Their specificity is essential for cellular signaling pathways…”
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14
Assessing the functional roles of coevolving PHD finger residues
Published in Protein science (01-07-2024)“…Although in silico folding based on coevolving residue constraints in the deep‐learning era has transformed protein structure prediction, the contributions of…”
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The Staphylococcus aureus ArlRS two‐component system regulates virulence factor expression through MgrA
Published in Molecular microbiology (01-01-2020)“…Summary The Gram‐positive bacterium, Staphylococcus aureus, is a versatile pathogen that can sense and adapt to a wide variety of environments within the human…”
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Therapeutic Inhibition of Staphylococcus aureus ArlRS Two-Component Regulatory System Blocks Virulence
Published in Antimicrobial agents and chemotherapy (19-07-2022)“…Staphylococcus aureus is a common cause of severe infections, and its widespread antibiotic resistance necessitates search for alternative therapies, such as…”
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FBG1 is a promiscuous ubiquitin ligase that sequesters APC2 and causes S-phase arrest
Published in Cell cycle (Georgetown, Tex.) (15-11-2010)“…During cell proliferation, protein degradation is strictly regulated by the cell cycle and involves two complementary ubiquitin ligase complexes, the SCF (Skp,…”
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The SrrAB two-component system regulates Staphylococcus aureus pathogenicity through redox sensitive cysteines
Published in Proceedings of the National Academy of Sciences - PNAS (19-05-2020)“…Staphylococcus aureus infections can lead to diseases that range from localized skin abscess to life-threatening toxic shock syndrome. The SrrAB two-component…”
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The Tiam1 guanine nucleotide exchange factor is auto-inhibited by its pleckstrin homology coiled-coil extension domain
Published in The Journal of biological chemistry (27-10-2017)“…T-cell lymphoma invasion and metastasis 1 (Tiam1) is a Dbl-family guanine nucleotide exchange factor (GEF) that specifically activates the Rho-family GTPase…”
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A physics-based energy function allows the computational redesign of a PDZ domain
Published in Scientific reports (07-07-2020)“…Computational protein design (CPD) can address the inverse folding problem, exploring a large space of sequences and selecting ones predicted to fold. CPD was…”
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