Highlights •Timeless interacts with PARP-1 independent of poly(ADP-ribosyl)ation •Crystal structures of Timeless PAB in free form and in complex with PARP-1 •Specific recognition of PARP-1 by Timeless does not affect its enzymatic activity •PARP-1 is required for Timeless recruitment to DSB sites to promote HR repair
A new molecular mechanism for DNA repair involving an unexpected interaction between PARP-1 protein and sleep proteins in humans has been found. While it is a well-known fact that sleep is important to the body’s recovery and healing, knowledge of the molecular mechanisms that make this possible is incomplete...
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