| 2QYK | A:; B: | CRYSTAL STRUCTURE OF PDE4A10 IN COMPLEX WITH INHIBITOR NPV |
| 2QYM | A: | CRYSTAL STRUCTURE OF UNLIGANDED PDE4C2 |
| 2YY2 | A:; B: | CRYSTAL STRUCTURE OF THE HUMAN PHOSPHODIESTERASE 9A CATALYTIC DOMAIN COMPLEXED WITH IBMX |
| 3HC8 | A: | INVESTIGATION OF AMINOPYRIDIOPYRAZINONES AS PDE5 INHIBITORS: EVALUATION OF MODIFICATIONS TO THE CENTRAL RING SYSTEM. |
| 3HDZ | A: | IDENTIFICATION, SYNTHESIS, AND SAR OF AMINO SUBSTITUTED PYRIDO[3, 2B]PRYAZIONES AS POTENT AND SELECTIVE PDE5 INHIBITORS |
| 3I8V | A:; B: | CRYSTAL STRUCTURE OF HUMAN PDE4A WITH 4-(3-BUTOXY-4-METHOXYPHENYL) METHYL-2-IMIDAZOLIDONE |
| 3JWQ | A:; B:; C:; D: | CRYSTAL STRUCTURE OF CHIMERIC PDE5/PDE6 CATALYTIC DOMAIN COMPLEXED WITH SILDENAFIL |
| 3JWR | B: | CRYSTAL STRUCTURE OF CHIMERIC PDE5/PDE6 CATALYTIC DOMAIN COMPLEXED WITH 3-ISOBUTYL-1-METHYLXANTHINE (IBMX) AND PDE6 GAMMA-SUBUNIT INHIBITORY PEPTIDE 70-87. |
| 3O0J | A: | PDE4B IN COMPLEX WITH LIGAND AN2898 |
| 3QI3 | A:; B: | CRYSTAL STRUCTURE OF PDE9A(Q453E) IN COMPLEX WITH INHIBITOR BAY73-6691 |
| 3SHY | A: | CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL INHIBITORS |
| 3SHZ | A: | CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL INHIBITORS |
| 3SIE | A:; B: | CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL INHIBITORS |
| 3TSE | | [entry was replaced by entry 4OEX without any SCOP domain information] |
| 3TSF | | [entry was replaced by entry 4OEW without any SCOP domain information] |
| 3TVX | A:; B: | THE STRUCTURE OF PDE4A WITH PENTOXIFYLLINE AT 2.84A RESOLUTION |
| 4G2W | A: | CRYSTAL STRUCTURE OF PDE5A IN COMPLEX WITH ITS INHIBITOR |
| 4G2Y | A: | CRYSTAL STRUCTURE OF PDE5A COMPLEXED WITH ITS INHIBITOR |
| 4I9Z | A: | CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL INHIBITORS |
| 4IA0 | A: | CRYSTAL STRUCTURE OF THE PDE5A1 CATALYTIC DOMAIN IN COMPLEX WITH NOVEL INHIBITORS |
| 4MYQ | A: | SELECTIVE INHIBITION OF THE CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 4B WITH A-33 |
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