protein-coding

cyclin-dependent kinase inhibitor 2C (p18, inhibits CDK4)
cyclin-dependent kinase inhibitor 2B (p15, inhibits CDK4)
cyclin-dependent kinase inhibitor 2A
cyclin-dependent kinase inhibitor 1C (P57)
cyclin-dependent kinase inhibitor 1B
cyclin-dependent kinase inhibitor 1A (P21)
cyclin-dependent kinase 7
cyclin-dependent kinase 6
cyclin-dependent kinase 5, regulatory subunit 2 (p39)
cyclin-dependent kinase 5, regulatory subunit 1 (p35)