| Index | Ligand Name | Structure | PDB code | Compound Potency nM |
| 1 | 3hu | Crystal Structure of the Ligand Binding Domain of GluK1 in Complex with an Antagonist (S)-1-(2'-Amino-2'-carboxyethyl)-3-[(2-carboxythien-3-yl)methyl]thieno[3,4-d]pyrimidin-2,4-dione at 2.5 A Resolution | 3s2v | 157 |
| 2 | 4e7 | Structure of the ligand-binding domain of GluK1 in complex with the antagonist CNG10111 | 4ymb | 620 |
| 3 | 35k | Structure of GluK1 ligand-binding domain (S1S2) in complex with (S)-2-amino-4-(2,3-dioxo-1,2,3,4-tetrahydroquinoxalin-6-yl)butanoic acid at 2.28 A resolution | 4qf9 | 3.71e+004 |