Structure of PDB 1zkn Chain C

Receptor sequence
>1zknC (length=330) Species: 9606 (Homo sapiens) [Search protein sequence]
GVKTEQEDVLAKELEDVNKWGLHVFRIAELSGNRPLTVIMHTIFQERDLL
KTFKIPVDTLITYLMTLEDHYHADVAYHNNIHAADVVQSTHVLLSTPALE
AVFTDLEILAAIFASAIHDVDHPGVSNQFLINTNSELALMYNDSSVLENH
HLAVGFKLLQEENCDIFQNLTKKQRQSLRKMVIDIVLATDMSKHMNLLAD
LKTMVETKKVTSSGVLLLDNYSDRIQVLQNMVHCADLSNPTKPLQLYRQW
TDRIMEEFFRQGDRERERGMEISPMCDKHNASVEKSQVGFIDYIVHPLWE
TWADLVHPDAQDILDTLEDNREWYQSTIPQ
3D structure
PDB1zkn Crystal Structures of Phosphodiesterases 4 and 5 in Complex with Inhibitor 3-Isobutyl-1-Methylxanthine Suggest a Conformation Determinant of Inhibitor Selectivity
ChainC
Resolution2.1 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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 C H164 H200 D201 D318 H82 H118 D119 D236
BS02 IBM C M273 I336 M357 Q369 F372 M191 I254 M275 Q287 F290 BindingDB: IC50=31000nM
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:1zkn, PDBe:1zkn, PDBj:1zkn
PDBsum1zkn
PubMed14668322
UniProtQ08499|PDE4D_HUMAN 3',5'-cyclic-AMP phosphodiesterase 4D (Gene Name=PDE4D)

[Back to BioLiP]