| ID | Description | N° of binding sites | Bound to chains | Binding affinity |
|---|---|---|---|---|
| 2 | 2-amino-9-{5-O-[(r)-{[(S)-{dichloro[(r)-hydroxy(phosphonooxy)phosphoryl]methyl}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2-O-methyl-β-D-ribofuranosyl}-7-methyl-9h-purin-7-ium-6-olate | 2 (2 molecules) | A, B | Ka=82.8M^-1 (MOAD) |