| Description | Rad1 is a component of the 9-1-1 cell-cycle checkpoint response complex, which plays a role in checkpoint activation that permits DNA-repair pathways to prevent cell cycle progression in response to DNA damage and replication stress [ , ]. The 9-1-1 complex is recruited to DNA lesions upon damage by the Rad17 (Rad24 in budding yeast)-replication factor C (RFC) clamp loader complex. The 9-1-1 complex is necessary for the recruitment of C12orf32/RHINO to sites of double-stranded breaks (DSB) occurring during the S phase []. Rad1 isoform 1 possesses 3'->5' double stranded DNA exonuclease activity [ ].In Caenorhabditis elegans, the cell cycle checkpoint protein RAD1 homologue mrt-2 has a role in genome stability by promoting DNA double strand break-induced cell cycle arrest and apoptosis, and is required for maintaining telomere length and germline immortality [ , , ]. | Name | Cell cycle checkpoint protein, Rad1 |
| Short Name | Cell_cycle_checkpoint_Rad1 | Type | Family |
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