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. 2023 Aug 24;14:5147. doi: 10.1038/s41467-023-40924-4

Fig. 7. Proposed model of HUWE1 and WRNIP1 dependent coordination of transcription and replication.

Fig. 7

HUWE1 binds to WRNIP1 and both proteins prevent transcription-dependent TRCs. HUWE1 promotes the association of WRNIP1 with elongation-competent pS2-RNAPII. Upon induction of replication stress or in HUWE1-CS cells, WRNIP1 translocates from RNAPII to stalled replication forks, leading to stabilization of TRCs and recruitment of ATM to RNAPII via the MRN complex. Stabilization of the collision state induces ATM signaling and limits DNA breakage.