GO:0031658

negative regulation of cyclin-dependent protein serine/threonine kinase activity involved in G1/S transition of mitotic cell cycle

Details: 
Any process that stops, prevents, or reduces the frequency, rate or extent of cyclin-dependent protein serine/threonine kinase activity contributing to the G1/S transition of the cell cycle. [GOC:dph, GOC:mah, GOC:pr, GOC:tb]
Evidence Code: