3D29

Proteasome Inhibition by Fellutamide B


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.240 
  • R-Value Observed: 0.240 

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This is version 2.0 of the entry. See complete history


Literature

Proteasome Inhibition by Fellutamide B Induces Nerve Growth Factor Synthesis

Hines, J.Groll, M.Fahnestock, M.Crews, C.M.

(2008) Chem Biol 15: 501-512

  • DOI: https://doi.org/10.1016/j.chembiol.2008.03.020
  • Primary Citation of Related Structures:  
    3D29

  • PubMed Abstract: 

    Neurotrophic small molecules have the potential to aid in the treatment of neuronal injury and neurodegenerative diseases. The natural product fellutamide B, originally isolated from Penicillium fellutanum, potently induces nerve growth factor (NGF) release from fibroblasts and glial-derived cells, although the mechanism for this neurotrophic activity has not been elucidated. Here, we report that fellutamide B potently inhibits proteasome catalytic activity. High-resolution structural information obtained from cocrystallization of the 20S proteasome reveals novel aspects regarding beta-subunit binding and adduct formation by fellutamide B to inhibit their hydrolytic activity. We demonstrate that fellutamide B and other proteasome inhibitors increased NGF gene transcription via a cis-acting element (or elements) in the promoter. These results demonstrate an unrecognized connection between proteasome inhibition and NGF production, suggesting a possible new strategy in the development of neurotrophic agents.


  • Organizational Affiliation

    Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06511, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
PRE8 isoform 1
A, O
250Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
PRE9 isoform 1
B, P
244Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
PRE6 isoform 1
C, Q
241Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
PUP2 isoform 1
D, R
242Saccharomyces cerevisiaeMutation(s): 0 
UniProt
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
PRE5 isoform 1
E, S
233Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
PRE10 isoform 1
F, T
244Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
SCL1 isoform 1
G, U
243Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
proteasome endopeptidase complex
H, V
222Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
PUP3 isoform 1
I, W
204Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta
J, X
198Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
proteasome endopeptidase complex
K, Y
212Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
UniProt
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
PRE7 isoform 1
L, Z
222Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit betaAA [auth 1],
M
233Saccharomyces cerevisiaeMutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-1BA [auth 2],
N
196Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
Fellutamide B3synthetic constructMutation(s): 0 
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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.266 
  • R-Value Work: 0.240 
  • R-Value Observed: 0.240 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 134.272α = 90
b = 301.58β = 112.7
c = 143.454γ = 90
Software Package:
Software NamePurpose
CNSrefinement
XDSdata reduction
XDSdata scaling
CNSphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2008-06-10
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-10-25
    Changes: Refinement description
  • Version 1.3: 2023-08-30
    Changes: Data collection, Database references, Derived calculations, Refinement description
  • Version 2.0: 2024-03-27
    Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Other, Polymer sequence, Source and taxonomy, Structure summary