Cell cycle progression is negatively controlled by cyclin-dependent kinases inhibitors (CDIs). CDIs are involved in cell cycle arrest at the G1 phase.

1: Cloning of p57KIP2, a cyclin-dependent kinase inhibitor with unique domain structure and tissue distribution. Lee MH, Reynisdottir I, Massague J; Genes Dev 1995;9:639-649. PMID:7729683