Crystal structure of Human Phosphodiesterase 5 complexed with Sildenafil(Viagra)     DOI:10.2210/pdb1udt/pdb

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Primary Citation       Related Citations in PDB Entry (REMARK 1) Hide       Molecular Description Hide Classification: Hydrolase Structure Weight: 38094.86   Molecule: cGMP-specific 3',5'-cyclic phosphodiesterase Polymer: 1 Type: polypeptide(L) Length: 324 Chains: A EC#: 3.1.4.17    Fragment: catalytic domain       Source Hide Polymer: 1 Scientific Name: Homo sapiens Common Name: Human Expression System: Escherichia coli         Related PDB Entries Hide Id Details 1UDU  the same protein complexed with tadalafil(Cialis)        Ligand Chemical Component Hide Identifier Name Formula Interaction View MG     MAGNESIUM ION Mg Ligand Explorer VIA     5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}- 1-METHYL-3-PROPYL -1H,6H,7H-PYRAZOLO[4,3-D]PYRIMIDIN- 7-ONE C22 H30 N6 O4 S Ligand Explorer ZN     ZINC ION Zn Ligand Explorer       Derived Data Hide SCOP Classification v1.75 - (1 Domains) CATH Classification v3.3.0 - (1 Domains) PFAM Classification - (1 Domains) GO Terms - (23 Terms)     Reset Layout

Biological Assembly     More Images... View in Jmol Other Viewers close KiNG WebMol QuickPDB FirstGlance Kiosk SimpleViewer Protein Workshop Ligand Explorer Biological assembly assigned by authors         Deposition Summary Hide Authors:   Sung, B.-J.,   Lee, J.I.,   Heo, Y.-S.,   Kim, J.H.,   Moon, J.,   Yoon, J.M.,   Hyun, Y.-L.,   Kim, E.,   Eum, S.J.,   Lee, T.G.,   Cho, J.M.,   Park, S.-Y.,   Lee, J.-O.,   Jeon, Y.H.,   Hwang, K.Y.,   Ro, S. Deposition:   2003-05-06 Release:   2004-05-11 Last Modified (REVDAT):   2009-02-24       Experimental Details Hide Method:   X-RAY DIFFRACTION Experimental Data:    [ EDS ] Resolution[Å]: 2.30 R-Value: 0.193 (obs.) R-Free: 0.251 Space Group: C 2 2 21 Unit Cell:   Length [Å] Angles [°] a = 60.12 α = 90.00  b = 155.63 β = 90.00  c = 89.90 γ = 90.00