Structure of PDB 1ptw Chain B

Receptor sequence
>1ptwB (length=327) Species: 9606 (Homo sapiens) [Search protein sequence]
TEQEDVLAKELEDVNKWGLHVFRIAELSGNRPLTVIMHTIFQERDLLKTF
KIPVDTLITYLMTLEDHYHADVAYHNNIHAADVVQSTHVLLSTPALEAVF
TDLEILAAIFASAIHDVDHPGVSNQFLINTNSELALMYNDSSVLENHHLA
VGFKLLQEENCDIFQNLTKKQRQSLRKMVIDIVLATDMSKHMNLLADLKT
MVETKKVTSSGVLLLDNYSDRIQVLQNMVHCADLSNPTKPLQLYRQWTDR
IMEEFFRQGDRERERGMEISPMCDKHNASVEKSQVGFIDYIVHPLWETWA
DLVHPDAQDILDTLEDNREWYQSTIPQ
3D structure
PDB1ptw The crystal structure of AMP-bound PDE4 suggests a mechanism for phosphodiesterase catalysis
ChainB
Resolution2.3 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 H79 H115 D116 D233
BS02 AMP B H160 D201 D318 L319 N321 I336 Q369 F372 H75 D116 D233 L234 N236 I251 Q284 F287
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:1ptw, PDBe:1ptw, PDBj:1ptw
PDBsum1ptw
PubMed14609333
UniProtQ08499|PDE4D_HUMAN 3',5'-cyclic-AMP phosphodiesterase 4D (Gene Name=PDE4D)

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