Multiple Assemblies exist for SMTL entry 2h40
Crystal structure of the catalytic domain of unliganded PDE5; X-RAY DIFFRACTION 1.85 Å

	SMTL ID 2h40.1 Ligands ZINC ION; MAGNESIUM ION Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state monomer
	SMTL ID 2h40.2 Ligands ZINC ION; MAGNESIUM ION Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state homo-dimer