Structure of PDB 2h42 Chain B

Receptor sequence
>2h42B (length=317) Species: 9606 (Homo sapiens) [Search protein sequence]
EETRELQSLAAAVVPSAQTLKITDFSFSDFELSDLETALCTIRMFTDLNL
VQNFQMKHEVLCRWILSVKKNYRKNVAYHNWRHAFNTAQCMFAALKAGKI
QNKLTDLEILALLIAALSHDLDHRGVNNSYIQRCHSIMEHHHFDQCLMIL
NSPGNQILSGLSIEEYKTTLKIIKQAILATDLALYIKRRGEFFELIRKNQ
FNLEDPHQKELFLAMLMTACDLSAITKPWPIQQRIAELVATEFFDQGDRE
RKELNIEPTDLMNREKKNKIPSMQVGFIDAICLQLYEALTHVSEDCFPLL
DGCRKNRQKWQALAEQQ
3D structure
PDB2h42 Multiple Conformations of Phosphodiesterase-5: Implications for enzyme function and drug development
ChainB
Resolution2.3 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.1.4.35: 3',5'-cyclic-GMP 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 ZN B H617 H653 D654 D764 H83 H119 D120 D221
BS02 VIA B Y664 F786 L804 M816 Q817 F820 Y130 F243 L261 M273 Q274 F277 MOAD: ic50=2.4nM
BindingDB: IC50=2.2nM,Ki=1.9nM,EC50=8.7nM
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:2h42, PDBe:2h42, PDBj:2h42
PDBsum2h42
PubMed16735511
UniProtO76074|PDE5A_HUMAN cGMP-specific 3',5'-cyclic phosphodiesterase (Gene Name=PDE5A)

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