NELF-mediated stalling of Pol II can enhance gene expression by blocking promoter-proximal nucleosome assembly. Protein traffic on the heat shock promoter: parking, stalling, and trucking along. Rad18 guides polη to replication stalling sites through physical interaction and PCNA monoubiquitination Rad18 guides poleta to replication stalling sites through physical interaction and PCNA monoubiquitination Translation elongation factor EF-P alleviates ribosome stalling at polyproline stretches. Structural insight into nascent polypeptide chain-mediated translational stalling. Global Analysis of Short RNAs Reveals Widespread Promoter-Proximal Stalling and Arrest of Pol II in Drosophila Activation-induced cytidine deaminase targets DNA at sites of RNA polymerase II stalling by interaction with Spt5. ATR‐dependent phosphorylation and activation of ATM in response to UV treatment or replication fork stalling Stiff, T. et al. ATR-dependent phosphorylation and activation of ATM in response to UV treatment or replication fork stalling. EMBO ...