Multiple Assemblies exist for SMTL entry 2h42
Crystal structure of PDE5 in complex with sildenafil; X-RAY DIFFRACTION 2.30 Å

	SMTL ID 2h42.1 Ligands ZINC ION; MAGNESIUM ION; 5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-1-METHYL-3-PROPYL-1H,6H,7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state monomer
	SMTL ID 2h42.2 Ligands ZINC ION; MAGNESIUM ION; 5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-1-METHYL-3-PROPYL-1H,6H,7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state monomer
	SMTL ID 2h42.3 Ligands ZINC ION; MAGNESIUM ION; 5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-1-METHYL-3-PROPYL-1H,6H,7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state monomer
	SMTL ID 2h42.4 Ligands ZINC ION; MAGNESIUM ION; 5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-1-METHYL-3-PROPYL-1H,6H,7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE Polypeptides cGMP-specific 3',5'-cyclic phosphodiesterase Oligo-state homo-dimer