Structure of PDB 1xom Chain B

Receptor sequence
>1xomB (length=321) Species: 9606 (Homo sapiens) [Search protein sequence]
QEDVLAKELEDVNKWGLHVFRIAELSGNRPLTVIMHTIFQERDLLKTFKI
PVDTLITYLMTLEDHYHADVAYHNNIHAADVVQSTHVLLSTPALEAVFTD
LEILAAIFASAIHDVDHPGVSNQFLINTNSELALMYNDSSVLENHHLAVG
FKLLQEENCDIFQNLTKKQRQSLRKMVIDIVLATDMSKHMNLLADLKTMV
ETKKVTVLLLDNYSDRIQVLQNMVHCADLSNPTKPLQLYRQWTDRIMEEF
FRQGDRERERGMEISPMCDKHNASVEKSQVGFIDYIVHPLWETWADLVHP
DAQDILDTLEDNREWYQSTIP
3D structure
PDB1xom Structural Basis for the Activity of Drugs that Inhibit Phosphodiesterases.
ChainB
Resolution1.55 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 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 ZN B H164 H200 D201 D318 H77 H113 D114 D228
BS02 CIO B M273 I336 M337 F340 M357 Q369 F372 M186 I246 M247 F250 M267 Q279 F282 MOAD: ic50=0.011uM
BindingDB: IC50=11nM
Gene Ontology
Molecular Function
GO:0004114 3',5'-cyclic-nucleotide phosphodiesterase activity
GO:0008081 phosphoric diester hydrolase activity
Biological Process
GO:0007165 signal transduction

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1xom, PDBe:1xom, PDBj:1xom
PDBsum1xom
PubMed15576036
UniProtQ08499|PDE4D_HUMAN 3',5'-cyclic-AMP phosphodiesterase 4D (Gene Name=PDE4D)

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