| 1BUH | B: | CRYSTAL STRUCTURE OF THE HUMAN CDK2 KINASE COMPLEX WITH CELL CYCLE-REGULATORY PROTEIN CKSHS1 |
| 1DKS | A:; B: | CKSHS1: HUMAN CYCLIN DEPENDENT KINASE SUBUNIT, TYPE 1 IN COMPLEX WITH PHOSPHATE |
| 1DKT | A:; B: | CKSHS1: HUMAN CYCLIN DEPENDENT KINASE SUBUNIT, TYPE 1 COMPLEX WITH METAVANADATE |
| 2ASS | C: | CRYSTAL STRUCTURE OF THE SKP1-SKP2-CKS1 COMPLEX |
| 2AST | C: | CRYSTAL STRUCTURE OF SKP1-SKP2-CKS1 IN COMPLEX WITH A P27 PEPTIDE |