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The cryo-EM structure of immature Zika virus shows partially ordered capsid proteins and reveals differences between pre-epidemic and epidemic strains at protein interfaces within the trimeric spikes.
A combination of SILAC-MS, genome-wide nucleosome mapping and live-cell imaging reveal rapid histone degradation and global chromatin decompaction after the induction of DNA double-strand breaks in S. cerevisiae.
The yeast ribosome-associated complex (RAC) is formed by Hsp40 protein Zuo1 and the atypical Hsp70 chaperone Ssz1. Structural analyses show Ssz1 in a hybrid conformation between the open and closed state and its substrate-binding domain completed by Zuo1.
Cryo-EM structures of secretin GspD in type II secretion systems from Escherichia coli and Vibrio cholera reveal a pentadecameric architecture, with three rings in the periplasm and β-strand-enriched gates on the outer membrane.
Cryo-EM and NMR analyses of the E. coli replisome show how DNA-end fraying after mismatch incorporation at the polymerase active site enables substrate ends to reach the ‘proofreading’ exonuclease site for mismatch removal.