| Code | Name | Deposits | Targets | Ligand Type |
|---|---|---|---|---|
| GAL | beta-d-galactose | 4 | 3 | biological |
| BR | bromide ion | 3 | 3 | crystallization |
| BME | beta mercaptoethanol | 3 | 3 | other |
| 0V5 | 4 | 3 | biological | |
| POP | 3 | 3 | crystallization | |
| NO3 | 3 | 3 | crystallization | |
| P33 | 3,6,9,12,15,18-hexaoxaicosane-1,20-diol | 3 | 3 | crystallization |
| BCT | bicarbonate ion | 3 | 3 | crystallization |
| B3P | 2-[3-(2-hydroxy-1,1-dihydroxymethyl-ethylamino)-propyla mino]-2-hydroxymethyl-propane-1,3-diol | 3 | 3 | crystallization |
| NI | 4 | 3 | other | |
| DAL | 3 | 3 | biological | |
| NI | 3 | 3 | biological | |
| ANP | phosphoaminophosphonic acid-adenylate ester | 4 | 3 | biological |
| NA | 8 | 3 | biological | |
| AM2 | 3 | 3 | biological | |
| MPD | unknown | 3 | 3 | other |
| CU | 3 | 3 | biological | |
| CSO | S-HYDROXYCYSTEINE | 3 | 3 | modified residue |
| Q21 | unknown | 3 | 3 | biological |
| ADN | adenosine | 2 | 2 | biological |