Multiple Assemblies exist for SMTL entry 1r1k
Crystal structure of the ligand-binding domains of the heterodimer EcR/USP bound to ponasterone A; X-RAY DIFFRACTION 2.90 Å

	SMTL ID 1r1k.1 Ligands 2,3,14,20,22-PENTAHYDROXYCHOLEST-7-EN-6-ONE; L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE Polypeptides Ecdysone receptor; ULTRASPIRACLE PROTEIN Oligo-state hetero-1-1-mer
	SMTL ID 1r1k.2 Ligands 2,3,14,20,22-PENTAHYDROXYCHOLEST-7-EN-6-ONE; L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE Polypeptides Ecdysone receptor; ULTRASPIRACLE PROTEIN Oligo-state hetero-2-2-mer