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2CHM

Crystal structure of N2 substituted pyrazolo pyrimidinones - a flipped binding mode in PDE5

Functional Information from GO Data
ChainGOidnamespacecontents
A0004114molecular_function3',5'-cyclic-nucleotide phosphodiesterase activity
A0007165biological_processsignal transduction
A0008081molecular_functionphosphoric diester hydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A1859
ChainResidue
AHIS617
AHIS653
AASP654
AASP764
AHOH2508
AHOH2509

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A1860
ChainResidue
AHOH2222
AHOH2223
AHOH2508
AASP654
AHOH2118
AHOH2182

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 3P4 A1861
ChainResidue
AALA545
ALEU725
ALEU765
AALA767
AILE768
AGLN775
AALA779
AVAL782
AALA783
ALEU804
AMET816
AGLN817
APHE820
AHOH2510
AHOH2511
AHOH2512

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE MES A1862
ChainResidue
AARG607
ALYS608
AASN609
AASN742
AGLN743
APHE744
AASN745
AHOH2154
AHOH2513
AHOH2514
AHOH2515

Functional Information from PROSITE/UniProt
site_idPS00126
Number of Residues12
DetailsPDEASE_I_1 3'5'-cyclic nucleotide phosphodiesterase domain signature. HDLdHpGvsNqF
ChainResidueDetails
AHIS653-PHE664

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15260978","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15576036","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15685167","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17727341","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18539455","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1RO6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RO9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TB5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XN0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2QYL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3D3P","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10846163","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15576036","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15685167","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17727341","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18539455","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1F0J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RO6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RO9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XN0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2QYL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3D3P","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10846163","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15260978","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15576036","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15685167","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18539455","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1F0J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RO6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RO9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TB5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XLZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XM6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XN0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XOT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1Y2J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3D3P","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15260978","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TB5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15003452","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"15260978","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1ROR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TB5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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