regulates cell cycle checkpoint signaling biological regulation regulation of cell cycle checkpoint GO:2001047 Any process that modulates the frequency, rate or extent of cell cycle checkpoint. Note that this term should not be used for direct manual annotation as it should always be possible to specify the type of checkpoint (i.e mitotic spindle or DNA damage etc). regulation of G1/S checkpoint biological_process regulation of G1/S transition checkpoint GO:1901976 2013-03-06T15:10:20Z jl regulation of cell cycle phase transition regulation of intracellular signal transduction