| ID | Description | N° of binding sites | Bound to chains |
|---|---|---|---|
| 4 | [[(2r + 3S + 4S)-5-[(4as)-7 + 8-dimethyl-2 + 4-dioxo-4α + 5-dihydrobenzo[g]pteridin-10-yl]-2 + 3 + 4-trihydroxy-pentoxy]-hydroxy-phosphoryl] [(2r + 3S + 4r + 5r)-5-(6-aminopurin-9-yl)-3 + 4-dihydroxy-oxolan-2-yl]methyl hydrogen phosphate | 1 (1 molecule) | A |