3OEU | pdb_00003oeu

Structure of yeast 20S open-gate proteasome with Compound 24


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 
    0.249 (Depositor), 0.241 (DCC) 
  • R-Value Work: 
    0.209 (Depositor), 0.205 (DCC) 
  • R-Value Observed: 
    0.210 (Depositor) 

wwPDB Validation 3D Report Full Report

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Optimization of a series of dipeptides with a P3 threonine residue as non-covalent inhibitors of the chymotrypsin-like activity of the human 20S proteasome.

Blackburn, C.Barrett, C.Blank, J.L.Bruzzese, F.J.Bump, N.Dick, L.R.Fleming, P.Garcia, K.Hales, P.Hu, Z.Jones, M.Liu, J.X.Sappal, D.S.Sintchak, M.D.Tsu, C.Gigstad, K.M.

(2010) Bioorg Med Chem Lett 20: 6581-6586

  • DOI: https://doi.org/10.1016/j.bmcl.2010.09.032
  • Primary Citation Related Structures: 
    3OEU, 3OEV, 3SDI, 3SDK

  • PubMed Abstract: 

    Starting from a tripeptide screening hit, a series of dipeptide inhibitors of the proteasome with Thr as the P3 residue has been optimized with the aid of crystal structures in complex with the β-5/6 active site of y20S. Derivative 25, (β5 IC(50)=7.4 nM) inhibits only the chymotryptic activity of the proteasome, shows cellular activity against targets in the UPS, and inhibits proliferation.


  • Organizational Affiliation
    • Millennium Pharmaceuticals Inc., 40 Landsdowne St., Cambridge, MA 02139, United States.

Macromolecule Content 

  • Total Structure Weight: 707.64 kDa 
  • Atom Count: 50,340 
  • Modeled Residue Count: 6,330 
  • Deposited Residue Count: 6,382 
  • Unique protein chains: 14

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
UniProt
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome component Y13
B, P
235Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
UniProt
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Reference Sequence
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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
UniProt
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome component PUP2
D, R
260Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
UniProt
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Reference Sequence
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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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Reference Sequence
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Entity ID: 6
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome component C1
F, T
242Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
UniProt
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Reference Sequence
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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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Reference Sequence
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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
UniProt
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Reference Sequence
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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
UniProt
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Reference Sequence
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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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Reference Sequence
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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
UniProt
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Reference Sequence
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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
UniProt
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Reference Sequence
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Entity ID: 13
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome component PRE4AA [auth 1],
M
233Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
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Reference Sequence
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Entity ID: 14
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome component PRE3BA [auth 2],
N
196Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.4.25.1
UniProt
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Reference Sequence

Small Molecules

Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
OEU

Query on OEU



Download:Ideal Coordinates CCD File
IA [auth K],
NA [auth Y]
N-{(2S)-1-[(2-chlorobenzyl)amino]-1-oxo-4-phenylbutan-2-yl}-N~2~-[3-(2-methylphenyl)propanoyl]-L-threoninamide
C31 H36 Cl N3 O4
PBDVPZRRBJJONI-RVBRUHEGSA-N
MES

Query on MES



Download:Ideal Coordinates CCD File
JA [auth K],
OA [auth Y]
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
MG

Query on MG



Download:Ideal Coordinates CCD File
CA [auth F]
DA [auth G]
EA [auth H]
FA [auth I]
GA [auth I]
CA [auth F],
DA [auth G],
EA [auth H],
FA [auth I],
GA [auth I],
HA [auth K],
KA [auth L],
LA [auth L],
MA [auth N]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free:  0.249 (Depositor), 0.241 (DCC) 
  • R-Value Work:  0.209 (Depositor), 0.205 (DCC) 
  • R-Value Observed: 0.210 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 136.774α = 90
b = 299.668β = 113.22
c = 145.301γ = 90
Software Package:
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-07-20
    Type: Initial release
  • Version 1.1: 2012-12-12
    Changes: Other
  • Version 1.2: 2024-02-21
    Changes: Data collection, Database references, Derived calculations