Definition: Cell regulatory signaling system that controls progression through S PHASE and stabilizes the replication forks during conditions that could affect the fidelity of DNA REPLICATION, such as DNA DAMAGE or depletion of nucleotide pools.
suggestion for AN: coordinate with specific process of if pertinent. for example DNA DAMAGE for "S phase DNA damage checkpoint"
Other names S Phase Checkpoints; Phase Checkpoints, S; Phase Checkpoint, S; Intra S Checkpoints; Intra S Checkpoint; Checkpoints, S Phase; Checkpoints, Intra-S; Checkpoint, S Phase; Checkpoint, Intra-S; Intra-S Checkpoints; Intra-S Checkpoint; S Phase Checkpoint; S Phase Cell Cycle Checkpoint