| Index | Ligand Name | Structure | PDB code | ligand desolvation |
| 1 | 3g5 | High-salt structure of protein kinase CK2 catalytic subunit with 4'-carboxy-6,8-bromo-flavonol (FLC26) showing an extreme distortion of the ATP-binding loop combined with a pi-halogen bond | 4ub7 | 92.65 |
| 2 | 7fc | Complex structure of human protein kinase CK2 catalytic subunit with the inhibitor 4'-carboxy-6,8-chloro-flavonol (FLC21) crystallized under high-salt conditions | 5m4i | 91.88 |
| 3 | 7ey | Complex structure of human protein kinase CK2 catalytic subunit with a thieno[2,3-d]pyrimidin inhibitor crystallized under high-salt conditions | 5m44 | 91.62 |
| 4 | 7fc | Complex structure of human protein kinase CK2 catalytic subunit with the inhibitor 4'-carboxy-6,8-chloro-flavonol (FLC21) crystallized under low-salt conditions | 5m4f | 90.15 |
| 5 | 5y3 | Crystal structure of CK2 with compound 7h | 5h8e | 88.36 |
| 6 | fu9 | Crystal structure of human protein kinase CK2 alpha subunit in complex with the inhibitor CX-5279 | 3r0t | 88.18 |
| 7 | fxb | HIGH-SALT STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA/CSKN2A1 GENE PRODUCT) IN COMPLEX WITH THE INDENOINDOLE-TYPE INHIBITOR THN27 | 6hbn | 87.85 |
| 8 | 8qh | Crystal structure of human Protein kinase CK2 catalytic subunit in complex with the ATP-competitive dibenzofuran inhibitor TF (4b) | 5n9l | 87.05 |
| 9 | 3ng | Human CK2 catalytic domain in complex with CX-4945 | 3nga | 86.8 |
| 10 | 3g5 | Low-salt structure of protein kinase CK2 catalytic subunit with 4'-carboxy-6,8-bromo-flavonol (FLC26) | 4uba | 86.38 |
| 11 | 5y2 | Crystal structure of CK2 with compound 2 | 5h8b | 86.28 |
| 12 | 9ye | LOW-SALT STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA) IN COMPLEX WITH THE INDENOINDOLE-TYPE INHIBITOR 4P | 5oni | 86.2 |
| 13 | 5y4 | Crystal structure of CK2 with compound 7b | 5h8g | 85.94 |
| 14 | fxb | LOW-SALT STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA; CSNK2A1 gene product) IN COMPLEX WITH THE INDENOINDOLE-TYPE INHIBITOR THN27 | 6hme | 85.84 |
| 15 | 9ye | HIGH-SALT STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA) IN COMPLEX WITH THE INDENOINDOLE-TYPE INHIBITOR 4P | 5omy | 85.05 |
| 16 | 3ng | Crystal structure of human protein kinase CK2 alpha subunit in complex with the inhibitor CX-4945 | 3pe1 | 85.04 |
| 17 | e1b | Crystal structure of human protein kinase CK2 in complex with the inhibitor CX-5011 | 3pe2 | 84.96 |
| 18 | 6xk | Crystal structure of CK2 | 5ku8 | 84.51 |
| 19 | ght | Human protein kinase CK2 alpha in complex with boldine | 6hny | 84.2 |
| 20 | kc5 | Crystal structure of human Protein kinase CK2 catalytic subunit in complex with the ATP-competitive, tight-binding dibenzofuran inhibitor TF85 (4a) | 5n9n | 83.09 |
| 21 | atk | Crystal structure of CK2alpha with pyradine derivative | 3at3 | 82.9 |
| 22 | 7ey | Complex structure of human protein kinase CK2 catalytic subunit with a thieno[2,3-d]pyrimidin inhibitor crystallized under low-salt conditions | 5m4c | 82.76 |
| 23 | 6xt | Crystal structure of CK2 | 5kwh | 81.93 |
| 24 | cck | Crystal structure of CK2alpha with pyradine derivertive | 3at4 | 81.76 |
| 25 | lcd | Crystal structure of the CK2alpha/compound3 complex | 3wil | 80.54 |
| 26 | hck | Crystal structure of the CK2a/benzoic acid derivative complex | 5b0x | 78.32 |
| 27 | lnh | Casein kinase 2 in complex with AZ-Inhibitor | 3u4u | 77.93 |
| 28 | 503 | The Structure of CK2alpha with CCh503 bound | 6fvf | 75.63 |
| 29 | 0xg | Casein kinase 2 (CK2) bound to inhibitor | 4grb | 75.46 |
| 30 | e8k | The Structure of CK2alpha with CCh507 bound | 6fvg | 75.14 |
| 31 | 5id | Crystal structure of CK2a1 with 5-iodotubercidin | 6jwa | 74.78 |