Multiple Assemblies exist for SMTL entry 2xul
Structure of PII from Synechococcus elongatus in complex with 2- oxoglutarate at high 2-OG concentrations; X-RAY DIFFRACTION 2.20 Å

	SMTL ID 2xul.1 Ligands ADENOSINE-5'-TRIPHOSPHATE; 2-OXOGLUTARIC ACID; MAGNESIUM ION Polypeptides NITROGEN REGULATORY PROTEIN P-II Oligo-state homo-trimer
	SMTL ID 2xul.2 Ligands ADENOSINE-5'-TRIPHOSPHATE; 2-OXOGLUTARIC ACID; MAGNESIUM ION Polypeptides NITROGEN REGULATORY PROTEIN P-II Oligo-state homo-trimer