| Code | Name | Deposits | Targets | Ligand Type |
|---|---|---|---|---|
| ADP | 8 | 8 | biological | |
| ADP | 1 | 1 | crystallization | |
| ADP | 3 | 3 | other | |
| AE3 | 2-(2-ethoxyethoxy)ethanol | 2 | 2 | other |
| AKG | 2-oxyglutaric acid | 2 | 2 | biological |
| ALY | 1 | 1 | modified residue | |
| AM2 | 3 | 3 | biological | |
| AMP | 14 | 13 | biological | |
| AMP | 2 | 2 | crystallization | |
| AMP | 4 | 4 | other | |
| ANP | phosphoaminophosphonic acid-adenylate ester | 4 | 3 | biological |
| APR | adenosine-5-diphosphoribose | 1 | 1 | biological |
| ATP | adenosine-5'-triphosphate | 3 | 2 | biological |
| ATP | adenosine-5'-triphosphate | 2 | 1 | other |
| AXP | 4-acetamido-2,4-didexoy-d-glycero-beta-d-galacto-octopy ranosylphosphonic acid (an axial phosphonate) | 1 | 1 | biological |
| B3P | 2-[3-(2-hydroxy-1,1-dihydroxymethyl-ethylamino)-propyla mino]-2-hydroxymethyl-propane-1,3-diol | 3 | 3 | crystallization |
| BCT | bicarbonate ion | 3 | 3 | crystallization |
| BDF | beta-d-fructopyranose | 2 | 2 | biological |
| BDF | beta-d-fructopyranose | 6 | 4 | crystallization |
| BGC | 2 | 2 | biological |