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3BJC

Crystal structure of the PDE5A catalytic domain in complex with a novel inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004114molecular_function3',5'-cyclic-nucleotide phosphodiesterase activity
A0004115molecular_function3',5'-cyclic-AMP phosphodiesterase activity
A0005515molecular_functionprotein binding
A0005829cellular_componentcytosol
A0007165biological_processsignal transduction
A0008081molecular_functionphosphoric diester hydrolase activity
A0016787molecular_functionhydrolase activity
A0030553molecular_functioncGMP binding
A0046069biological_processcGMP catabolic process
A0046872molecular_functionmetal ion binding
A0047555molecular_function3',5'-cyclic-GMP phosphodiesterase activity
A0141162biological_processnegative regulation of cAMP/PKA signal transduction
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 876
ChainResidue
AHIS617
AHIS653
AASP654
AASP764
AHOH903

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 877
ChainResidue
AASP654
AHIS657
AHOH903
AHOH905

site_idAC3
Number of Residues13
DetailsBINDING SITE FOR RESIDUE WAN A 901
ChainResidue
AHIS613
AGLU669
AHIS670
APRO671
ALEU672
ATYR676
AALA783
APHE786
AMET816
AGLN817
APHE820
AHOH914
AHOH934

Functional Information from PROSITE/UniProt
site_idPS00126
Number of Residues12
DetailsPDEASE_I_1 3'5'-cyclic nucleotide phosphodiesterase domain signature. HDLdHrGvnNsY
ChainResidueDetails
AHIS653-TYR664

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"O76083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12955149","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15260978","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1T9R","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T9S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TBF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12955149","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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