Structure of PDB 1tbb Chain B

Receptor sequence
>1tbbB (length=326) Species: 9606 (Homo sapiens) [Search protein sequence]
EQEDVLAKELEDVNKWGLHVFRIAELSGNRPLTVIMHTIFQERDLLKTFK
IPVDTLITYLMTLEDHYHADVAYHNNIHAADVVQSTHVLLSTPALEAVFT
DLEILAAIFASAIHDVDHPGVSNQFLINTNSELALMYNDSSVLENHHLAV
GFKLLQEENCDIFQNLTKKQRQSLRKMVIDIVLATDMSKHMNLLADLKTM
VETKKVTSSGVLLLDNYSDRIQVLQNMVHCADLSNPTKPLQLYRQWTDRI
MEEFFRQGDRERERGMEISPMCDKHNASVEKSQVGFIDYIVHPLWETWAD
LVHPDAQDILDTLEDNREWYQSTIPQ
3D structure
PDB1tbb A Glutamine Switch Mechanism for Nucleotide Selectivity by Phosphodiesterases
ChainB
Resolution1.6 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 H78 H114 D115 D232
BS02 ROL B Y159 T333 I336 F340 S368 Q369 F372 Y73 T247 I250 F254 S282 Q283 F286
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:1tbb, PDBe:1tbb, PDBj:1tbb
PDBsum1tbb
PubMed15260978
UniProtQ08499|PDE4D_HUMAN 3',5'-cyclic-AMP phosphodiesterase 4D (Gene Name=PDE4D)

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