Browse our latest Structural Biology and Molecular Biophysics articles

Page 42 of 177
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    An auto-inhibited state of protein kinase G and implications for selective activation

    Rajesh Sharma, Jeong Joo Kim ... Choel Kim
    The crystal structure of a mammalian protein kinase G reveals contacts between the regulatory and catalytic domains, indicates how cGMP binding alters domain conformations and thus domain:domain interactions, and informs a model for enzyme auto-inhibition and cooperative activation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    PH domain-mediated autoinhibition and oncogenic activation of Akt

    Hwan Bae, Thibault Viennet ... Philip A Cole
    Structural and biochemical analysis of semisynthetic Akt forms and mutants has revealed the importance of a key interaction network involving Arg86, Glu17, and Tyr18 that controls Akt conformation and activity.
    1. Structural Biology and Molecular Biophysics

    Mechanism of the cadherin–catenin F-actin catch bond interaction

    Amy Wang, Alexander R Dunn, William I Weis
    Deleting the first helix of the α-catenin actin-binding domain results in a slip bond interaction between the cadherin–catenin complex and F-actin, such that the binding interaction is stable at low force.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Coupling to short linear motifs creates versatile PME-1 activities in PP2A holoenzyme demethylation and inhibition

    Yitong Li, Vijaya Kumar Balakrishnan ... Yongna Xing
    The coupling of the enzyme/structure core to different short linear motifs represents a novel mechanism to diversify and expand the function of signaling proteins.
    1. Structural Biology and Molecular Biophysics

    Automated systematic evaluation of cryo-EM specimens with SmartScope

    Jonathan Bouvette, Qinwen Huang ... Mario J Borgnia
    SmartScope is the first software package designed to streamline, standardize, and fully automate screening of specimens in cryo-electron microscopy, providing real-time remote control of the microscope and access to data through a standard web interface.
    1. Structural Biology and Molecular Biophysics

    Ancestral acetylcholine receptor β-subunit forms homopentamers that prime before opening spontaneously

    Christian JG Tessier, Raymond M Sturgeon ... Corrie JB daCosta
    Reconstructed ancestral muscle-type acetylcholine receptor β-subunits readily form homopentameric ion channels that open spontaneously, and display functional hallmarks of the modern-day heteropentameric receptor despite being devoid of canonical agonist-binding sites.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    ATP binding facilitates target search of SWR1 chromatin remodeler by promoting one-dimensional diffusion on DNA

    Claudia C Carcamo, Matthew F Poyton ... Taekjip Ha
    In vitro single-particle tracking reveals that ATP binding increases the one-dimensional diffusion of yeast chromatin remodeler SWR1 on DNA stretched between optical tweezers and diffusion is confined by protein roadblocks and nucleosomes.
    1. Structural Biology and Molecular Biophysics

    Multistep loading of a DNA sliding clamp onto DNA by replication factor C

    Marina Schrecker, Juan C Castaneda ... Richard K Hite
    Single-particle cryo-EM structures reveal a multistep process of how DNA is loaded into the DNA sliding clamp proliferating cell nuclear antigen by the canonical clamp loader replication factor C.
    1. Physics of Living Systems
    2. Structural Biology and Molecular Biophysics

    Lactoferricins impair the cytosolic membrane of Escherichia coli within a few seconds and accumulate inside the cell

    Enrico F Semeraro, Lisa Marx ... Georg Pabst
    The damage of the bacterial cell envelope is found to be only a secondary effect of the antimicrobial activity of lactoferricin derivatives.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Structural motifs for subtype-specific pH-sensitive gating of vertebrate otopetrin proton channels

    Bochuan Teng, Joshua P Kaplan ... Emily R Liman
    The sour receptor, OTOP1, and related proton channel OTOP3 are steeply activated by extracellular protons while OTOP2 is active over a broad pH range and differences in gating are partly attributed to extracellular domains.