4FZG

20S yeast proteasome in complex with glidobactin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.197 

wwPDB Validation   3D Report Full Report


This is version 3.0 of the entry. See complete history


Literature

One-shot NMR analysis of microbial secretions identifies highly potent proteasome inhibitor.

Stein, M.L.Beck, P.Kaiser, M.Dudler, R.Becker, C.F.Groll, M.

(2012) Proc Natl Acad Sci U S A 109: 18367-18371

  • DOI: https://doi.org/10.1073/pnas.1211423109
  • Primary Citation of Related Structures:  
    4FZC, 4FZG

  • PubMed Abstract: 

    Natural products represent valuable lead structures for drug discovery. However, for most bioactive compounds no cellular target is yet identified and many substances predicted from genome analysis are inaccessible due to their life stage-dependent biosynthesis, which is not reflected in common isolation procedures. In response to these issues, an NMR-based and target-directed protease assay for inhibitor detection of the proteasome was developed. The methodology is suitable for one-shot identification of inhibitors in conglomerates and crude culture broths. The technique was applied for analysis of the different life stages of the bacterium Photorhabdus luminescens, which resulted in the isolation and characterization of cepafungin I (CepI), the strongest proteasome inhibitor described to date. Its biosynthesis is strictly regulated and solely induced by the specific environmental conditions determined by our methodology. The transferability of the developed technique to other drug targets may disclose an abundance of novel compounds applicable for drug development.


  • Organizational Affiliation

    Center for Integrated Protein Science at the Department Chemie, Lehrstuhl für Biochemie, Technische Unversität München, 85748 Garching, Germany.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component Y7
A, O
250Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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UniProt GroupP23639
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component Y13
B, P
244Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PRE6
C, Q
241Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PUP2
D, R
242Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
UniProt
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PRE5
E, S
233Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component C1
F, T
244Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component C7-alpha
G, U
243Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PUP1
H, V
222Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PUP3
I, W
204Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component C11
J, X
198Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PRE2
K, Y
212Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component C5
L, Z
222Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PRE4AA [auth a],
M
233Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome component PRE3BA [auth b],
N
196Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
GlidobactinCA [auth c],
DA [auth d],
EA [auth e],
FA [auth f]
4Saccharomyces cerevisiae S288CMutation(s): 0 
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Small Molecules
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
LYO
Query on LYO
CA [auth c],
DA [auth d],
EA [auth e],
FA [auth f]
L-PEPTIDE LINKINGC6 H14 N2 O3LYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.00 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.197 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 134.77α = 90
b = 300.35β = 112.67
c = 144.49γ = 90
Software Package:
Software NamePurpose
XDSdata scaling
CNSrefinement
XDSdata reduction
XSCALEdata scaling
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-10-24
    Type: Initial release
  • Version 1.1: 2012-12-05
    Changes: Database references
  • Version 2.0: 2019-05-08
    Changes: Data collection, Derived calculations, Polymer sequence
  • Version 3.0: 2023-11-15
    Changes: Atomic model, Data collection, Database references, Derived calculations