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3B2R

Crystal Structure of PDE5A1 catalytic domain in complex with Vardenafil

Functional Information from GO Data
ChainGOidnamespacecontents
A0004114molecular_function3',5'-cyclic-nucleotide phosphodiesterase activity
A0007165biological_processsignal transduction
A0008081molecular_functionphosphoric diester hydrolase activity
B0004114molecular_function3',5'-cyclic-nucleotide phosphodiesterase activity
B0007165biological_processsignal transduction
B0008081molecular_functionphosphoric diester hydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE VDN A 1
ChainResidue
ATYR612
AHOH865
AHOH894
BGLN854
BGLU858
AHIS613
ACYS677
AILE680
AILE768
AALA779
AMET816
AGLN817
APHE820

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE VDN B 1
ChainResidue
AGLU858
AHOH976
BTYR612
BHIS613
BCYS677
BILE680
BILE768
BALA779
BMET816
BGLN817
BPHE820
BHOH867
BHOH883

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 Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"O76083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
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 Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12955149","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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