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3I8V

Crystal structure of human PDE4a with 4-(3-butoxy-4-methoxyphenyl)methyl-2-imidazolidone

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 Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 2
ChainResidue
AHOH114
AHIS376
AHIS412
AASP413
AASP530
AHOH634

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 623
ChainResidue
AHOH151
AHOH174
AASP413
AHOH6
AHOH64
AHOH114

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 0MO A 1
ChainResidue
AHOH105
ATYR371
ATHR483
AMET485
AASN533
ATHR545
AILE548
APHE552
AMET569
AGLN581
APHE584
AHOH634

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 3
ChainResidue
AHIS366
AASP415
APRO417
AHOH685
AHOH686
BHIS366

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CO A 624
ChainResidue
AASP368
AHOH679
BHOH682

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN B 1
ChainResidue
BHOH74
BHIS376
BHIS412
BASP413
BASP530
BHOH636

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 623
ChainResidue
BHOH38
BHOH60
BHOH69
BHOH74
BHOH162
BASP413

site_idAC8
Number of Residues11
DetailsBINDING SITE FOR RESIDUE 0MO B 2
ChainResidue
BHOH60
BHOH155
BMET485
BASP530
BTHR545
BILE548
BMET549
BPHE552
BGLN581
BPHE584
BHOH636

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL B 624
ChainResidue
AGLU500
BASP586
BHIS590
BARG615

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL B 625
ChainResidue
BHOH262
BTHR390
BASP603
BILE607

Functional Information from PROSITE/UniProt
site_idPS00126
Number of Residues12
DetailsPDEASE_I_1 3'5'-cyclic nucleotide phosphodiesterase domain signature. HDVdHpGvsNqF
ChainResidueDetails
AHIS412-PHE423

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"Q07343","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q07343","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17727341","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"JUL-2009","submissionDatabase":"PDB data bank","title":"Crystal structure of human PDE4a with 4-(3-butoxy-4-methoxyphenyl)methyl-2-imidazolidone.","authors":["Cheng R.K.Y.","Crawley L.","Barker J.","Wood M.","Felicetti B.","Whittaker M."]}},{"source":"PDB","id":"2QYK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3I8V","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO)","evidences":[{"source":"PubMed","id":"20196770","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

248636

PDB entries from 2026-02-04

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