Multiple Assemblies exist for SMTL entry 2xxi
Crystal structure of 1-((4-(3-(trifluoromethyl)-6,7-dihydropyrano(4,3- c(pyrazol-1(4H)-yl)phenyl)methyl)-2-pyrrolidinone in complex with the ligand binding domain of the Rat GluA2 receptor and glutamate at 1.6A resolution.; X-RAY DIFFRACTION 1.60 Å

	SMTL ID 2xxi.1 Ligands GLUTAMIC ACID; 1-({4-[3-(TRIFLUOROMETHYL)-6,7-DIHYDROPYRANO[4,3-C]PYRAZOL-1(4H)-YL]PHENYL}METHYL)-2-PYRROLIDINONE; SULFATE ION; ZINC ION Polypeptides GLUTAMATE RECEPTOR 2 Oligo-state homo-dimer
	SMTL ID 2xxi.2 Ligands GLUTAMIC ACID; 1-({4-[3-(TRIFLUOROMETHYL)-6,7-DIHYDROPYRANO[4,3-C]PYRAZOL-1(4H)-YL]PHENYL}METHYL)-2-PYRROLIDINONE; ZINC ION Polypeptides GLUTAMATE RECEPTOR 2 Oligo-state homo-dimer