| Code | Name | Deposits | Targets | Ligand Type |
|---|---|---|---|---|
| HHR | 1 | 1 | biological | |
| HIW | (2r,4s)-2-[(1s,2r)-1-carboxy-2-hydroxypropyl]-4-[(2-{[( z)-iminomethyl]amino}ethyl)sulfanyl]-3,4-dihydro-2h-pyr role-5-carboxylic acid | 1 | 1 | biological |
| HLG | unknown | 1 | 1 | crystallization |
| I22 | d-altro-hept-2-ulose 7-phosphate | 1 | 1 | biological |
| IBP | 1 | 1 | biological | |
| IHP | inositol hexakisphosphate | 1 | 1 | biological |
| IMD | 5 | 5 | crystallization | |
| IMD | 4 | 4 | other | |
| IMP | Inosine monophosphate | 31 | 8 | biological |
| IOD | 9 | 8 | crystallization | |
| IPA | 12 | 10 | crystallization | |
| IPA | 1 | 1 | other | |
| ISS | (2e)-3-[(4-hydroxy-2-oxobutyl)amino]prop-2-enal | 1 | 1 | biological |
| IYR | 3-iodo-tyrosine | 1 | 1 | modified residue |
| JGE | 1 | 1 | biological | |
| JNK | n-{2'-[(4-fluorophenyl)amino]-4,4'-bipyridin-2-yl}-4-me thoxycyclohexanecarboxamide | 4 | 1 | biological |
| JW9 | unknown | 1 | 1 | biological |
| JWX | unknown | 2 | 1 | biological |
| K | 25 | 9 | biological | |
| K | 22 | 21 | crystallization |