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Live-cell single-molecule tracking reveals that hierarchical cooperation within the Polycomb Cbx7 protein between the low-affinity H3K27me3-binding module and the high-affinity DNA-binding cassette targets Polycomb repressive complex 1 to chromatin.

Antagonism between binding to unpolymerized subunits and to the lattice leads to a ratcheting model for the processive action of a microtubule polymerase.

New insights into the assembly and membrane interactions of the caveolar coat complex reveal the reversible association/dissociation of distinct subcomplexes onto the membrane, which differs from the assembly/disassembly of clathrin-coated pits.

Molecular dynamics simulations reveal that D-serine competes with glutamate for binding to the NMDA receptor, a finding supported by electrophysiology experiments with consequences for D-serine-focused therapeutic strategies for myriad neurological disorders.

Absolute quantification of cohesin, CTCF, NIPBL, WAPL and sororin in HeLa cells implies that some genomic cohesin and CTCF enrichment sites are unoccupied at any one time.

Noise in a signaling network comprising thousands of molecules shapes diversity across cell populations and generates giant temporal fluctuations at the single-cell level.

A real-time, stopped-flow method, in combination with protein-induced fluorescence enhancement, Förster resonance energy transfer, and time-resolved fluorescence spectroscopy, reveals a kinetic framework for understanding Dicer as a complex molecular motor.

Flexibility of Ndc80 provides an inherent mode of regulation for the conserved kinetochore complex, unique from well-studied phospho-regulation.

Lattice light-sheet single-molecule imaging shows 3D Sox2 enhancer clusters in live embryonic stem cells and reveals a model linking 3D spatial distribution of cis-elements, differential target search features and localized gene regulation.

The simultaneous expansion of G1 and acceleration of the cell cycle, while ensuring synchronous inheritance of these properties, progressively induces cell identity in differentiation.