cyclin-dependent kinase 6 (cdk6) bound to the inhibitor ribociclib. enzyme involved in cell cycle regulation and target of several

pdb5l2t cdk6 ribociclib cyclindependent kinase cyclin dependent cdk cell cycle cancer tumor oncology enzyme division protein retinoblastoma proliferation restriction inhibitor palbociclib structure peptide amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration