title: A new year, a new role for p21.
authors.forename: Angela L
authors.initials: AL
authors.lastname: Tyner
mesh_terms: D018797:Cell Cycle Proteins / Q000378:metabolism; D019926:Cyclin B / Q000378:metabolism*; D056744:Cyclin B1; D050759:Cyclin-Dependent Kinase Inhibitor p21 / Q000378:metabolism*; D010766:Phosphorylation
chemical_list: D018797:Cell Cycle Proteins; D019926:Cyclin B; D056744:Cyclin B1; D050759:Cyclin-Dependent Kinase Inhibitor p21