Structure of PDB 3hc8 Chain A

Receptor sequence
>3hc8A (length=324) Species: 9606 (Homo sapiens) [Search protein sequence]
ETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNLV
QNFQMKHEVLCRWILSVKKNYRKNVAYHNWRHAFNTAQCMFAALKAGKIQ
NKLTDLEILALLIAALSHDLDHPGVSNQFLINTNSELALMYNDESVLEHH
HFDQCLMILNSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGE
FFELIRKNQFNLEDPHEKELFLAMLMTACDLSAITKPWPIQQRIAELVAT
EFFDQGDRERKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTH
VSEDCFPLLDGCRKNRQKWQALAE
3D structure
PDB3hc8 Investigation of aminopyridiopyrazinones as PDE5 inhibitors: Evaluation of modifications to the central ring system.
ChainA
Resolution1.79 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.1.4.35: 3',5'-cyclic-GMP phosphodiesterase.
3.1.4.53: 3',5'-cyclic-AMP phosphodiesterase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 PD4 A A767 I768 Q775 V782 L804 M816 Q817 F820 A233 I234 Q241 V248 L270 M282 Q283 F286 MOAD: ic50=2.9nM
PDBbind-CN: -logKd/Ki=8.54,IC50=2.9nM
BS02 ZN A H617 H653 D654 D764 H82 H118 D119 D230
Gene Ontology
Molecular Function
GO:0004114 3',5'-cyclic-nucleotide phosphodiesterase activity
GO:0008081 phosphoric diester hydrolase activity
Biological Process
GO:0007165 signal transduction

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Molecular Function

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Biological Process
External links
PDB RCSB:3hc8, PDBe:3hc8, PDBj:3hc8
PDBsum3hc8
PubMed19539468
UniProtO76074|PDE5A_HUMAN cGMP-specific 3',5'-cyclic phosphodiesterase (Gene Name=PDE5A);
P27815|PDE4A_HUMAN 3',5'-cyclic-AMP phosphodiesterase 4A (Gene Name=PDE4A)

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