7YQF: PDE4D

Crystal structure of PDE4D complexed with glycyrrhisoflavone. Determined by X-ray diffraction at 1.54 Å resolution. Released 12 Jul 2023.

Method
X-ray diffraction
Resolution
1.54 Å
Organism
Homo sapiens
Chains
2
Atoms
5,395
Mol. weight
81.39 kDa
Ligands
ZN, MG, JN0
Released
12 Jul 2023

Explore 7YQF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7YQF contains 48 α-helices and 2 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 23 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix89-968
α-helix106-1127
α-helix117-12812
α-helix131-1355
α-helix139-15113
α-helix162-17615
α-helix179-1813
α-helix187-19913
α-helix209-2146
α-helix218-2236
α-helix228-23912
α-helix240-2423
α-helix254-26916
α-helix273-2753
α-helix276-28813
β-strand29211
β-strand29811
α-helix303-31816
α-helix321-3233
α-helix326-34924
α-helix352-3554
α-helix365-3728
α-helix373-3775
α-helix378-38710
α-helix393-40816
Chain B: 25 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix89-957
α-helix96-983
α-helix106-1127
α-helix117-12812
α-helix131-1344
α-helix139-15113
α-helix162-17615
α-helix179-1813
α-helix187-19913
α-helix209-2146
α-helix218-2236
α-helix228-23912
α-helix240-2423
α-helix254-26916
α-helix273-2753
α-helix276-28813
α-helix303-31816
α-helix321-3233
α-helix326-35025
α-helix352-3554
α-helix360-3623
α-helix365-3728
α-helix373-3775
α-helix378-38710
α-helix393-40816

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
cAMP-specific 3',5'-cyclic phosphodiesterase 4DA, Bprotein349Homo sapiensQ08499 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>7YQF_1 cAMP-specific 3',5'-cyclic phosphodiesterase 4D (chains A, B)
MGSSHHHHHHSSGLVPRGSHMTEQEDVLAKELEDVNKWGLHVFRIAELSGNRPLTVIMHT
IFQERDLLKTFKIPVDTLITYLMTLEDHYHADVAYHNNIHAADVVQSTHVLLSTPALEAV
FTDLEILAAIFASAIHDVDHPGVSNQFLINTNSELALMYNDSSVLENHHLAVGFKLLQEE
NCDIFQNLTKKQRQSLRKMVIDIVLATDMSKHMNLLADLKTMVETKKVTSSGVLLLDNYS
DRIQVLQNMVHCADLSNPTKPLQLYRQWTDRIMEEFFRQGDRERERGMEISPMCDKHNAS
VEKSQVGFIDYIVHPLWETWADLVHPDAQDILDTLEDNREWYQSTIPQS

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2
MGMagnesium ionMg2
JN03-[3-(3-methylbut-2-enyl)-4,5-bis(oxidanyl)phenyl]-5,7-bis(oxidanyl)chromen-4-o…C20 H18 O62

Water and common crystallization additives (EDO) are not listed.

Primary citation

Bioactive compounds from Huashi Baidu decoction possess both antiviral and anti-inflammatory effects against COVID-19. Xu, H., Li, S., Liu, J. et al. Proc Natl Acad Sci U S A (2023) 120:e2301775120-e2301775120. DOI 10.1073/pnas.2301775120 · PubMed

Other PDB entries of the same protein (UniProt Q08499 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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