| Code | Name | Deposits | Targets | Ligand Type |
|---|---|---|---|---|
| 8MM | 1 | 1 | biological | |
| 8NK | 7-methylguanosine 5'-diphosphate | 1 | 1 | biological |
| 9DA | 9-deazaadenine | 1 | 1 | biological |
| 9JT | ~{n}-phenyl-2-selanyl-benzamide | 1 | 1 | biological |
| 9MG | 9-methylguanine | 1 | 1 | crystallization |
| A | unknown | 4 | 1 | biological |
| A2M | 2'-o-methyl-adenosine-5'-monophosphate | 3 | 1 | biological |
| A5A | '5'-o-(n-(l-alanyl)-sulfamoyl)adenosine | 1 | 1 | biological |
| A5P | arabinose-5-phosphate | 1 | 1 | biological |
| ACO | 13 | 10 | biological | |
| ACO | 4 | 2 | other | |
| ACT | 67 | 51 | crystallization | |
| ACT | 1 | 1 | modified residue | |
| ACT | 15 | 15 | other | |
| ACX | alpha-cyclodextrin (cyclohexa-amylose) | 1 | 1 | other |
| ACY | 1 | 1 | biological | |
| ACY | 28 | 23 | crystallization | |
| ACY | 13 | 13 | other | |
| ADE | adenine | 3 | 3 | biological |
| ADN | adenosine | 2 | 2 | biological |