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 1.2 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: 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 ...

    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
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component Y7A, O250Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component Y13B, P244Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PRE6C, Q241Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
UniProt
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PUP2D, R242Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PRE5E, S233Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component C1F, T244Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component C7-alphaG, U243Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PUP1 precursorH, V222Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PUP3I, W204Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component C11J, X198Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PRE2 precursorK, Y212Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component C5 precursorL, Z222Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PRE4 precursorAA [auth 1], M233Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome component PRE3 precursorBA [auth 2], N196Saccharomyces cerevisiaeMutation(s): 0 
EC: 3.4.25.1
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
FEB (Subject of Investigation/LOI)
Query on FEB

Download Ideal Coordinates CCD File 
CA [auth H], DA [auth K], EA [auth N], FA [auth V], GA [auth Y], HA [auth 2]N~2~-[(3R)-3-hydroxydodecanoyl]-L-asparaginyl-N~1~-[(1S)-1-(hydroxymethyl)-3-methylbutyl]-L-glutamamide
C27 H51 N5 O7
QHOKNKNDLHIBEV-LRSLUSHPSA-N
 Ligand Interaction
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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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