1EPQ

ENDOTHIA ASPARTIC PROTEINASE (ENDOTHIAPEPSIN) COMPLEXED WITH PD-133,450 (SOT PHE GLY+SCC GCL)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Observed: 0.170 

wwPDB Validation   3D Report Full Report


This is version 1.5 of the entry. See complete history


Literature

Analyses of ligand binding in five endothiapepsin crystal complexes and their use in the design and evaluation of novel renin inhibitors.

Lunney, E.A.Hamilton, H.W.Hodges, J.C.Kaltenbronn, J.S.Repine, J.T.Badasso, M.Cooper, J.B.Dealwis, C.Wallace, B.A.Lowther, W.T.

(1993) J Med Chem 36: 3809-3820

  • DOI: 10.1021/jm00076a008
  • Primary Citation of Related Structures:  
    1EPP, 1EPQ

  • PubMed Abstract: 
  • Five renin inhibitors were cocrystallized with endothiapepsin, a fungal enzyme homologous to renin. Crystal structures of inhibitor-bound complexes have provided invaluable insight regarding the three-dimensional structure of the aspartic proteinase family of enzymes, as well as the steric and polar interactions that occur between the proteins and the bound ligands ...

    Five renin inhibitors were cocrystallized with endothiapepsin, a fungal enzyme homologous to renin. Crystal structures of inhibitor-bound complexes have provided invaluable insight regarding the three-dimensional structure of the aspartic proteinase family of enzymes, as well as the steric and polar interactions that occur between the proteins and the bound ligands. Beyond this, subtleties of binding have been revealed, including multiple subsite binding modes and subsite interdependencies. This information has been applied in the design of novel potent renin inhibitors and in the understanding of structure-activity relationships and enzyme selectivities.


    Related Citations: 
    • A Structural Comparison of 21 Inhibitor Complexes of the Aspartic Proteinase from Endothia Parasitica
      Bailey, D., Cooper, J.B.
      () To be published --: --
    • The 3D Structure at 2 Angstroms Resolution of Endothiapepsin
      Blundell, T.L., Jenkins, J., Sewell, B.T., Pearl, L.H., Cooper, J.B., Tickle, I.J., Veerapandian, B., Wood, S.P.
      (1990) J Mol Biol 211: 919

    Organizational Affiliation

    Parke-Davis Pharmaceutical Research, Division of Warner-Lambert Company, Ann Arbor, Michigan 48105-2430.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ENDOTHIAPEPSINA [auth E]330Cryphonectria parasiticaMutation(s): 0 
Gene Names: EAPAEPN-1
EC: 3.4.23.22
UniProt
Find proteins for P11838 (Cryphonectria parasitica)
Explore P11838 
Go to UniProtKB:  P11838
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
0QF (Subject of Investigation/LOI)
Query on 0QF

Download Ideal Coordinates CCD File 
B [auth E]N-[(1S)-2-{[(2S,3R,4S)-1-cyclohexyl-3,4-dihydroxy-6-methylheptan-2-yl]amino}-1-(ethylsulfanyl)-2-oxoethyl]-Nalpha-(morp holin-4-ylsulfonyl)-L-phenylalaninamide
C31 H52 N4 O7 S2
KJPRBAWNGKPDKH-WKEJTYEPSA-N
 Ligand Interaction
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth E], D [auth E]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
0QF Binding MOAD:  1EPQ Ki: 6.5 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Observed: 0.170 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 43.1α = 90
b = 75.7β = 97
c = 42.9γ = 90
Software Package:
Software NamePurpose
RESTRAINrefinement

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1994-12-20
    Type: Initial release
  • Version 1.1: 2008-05-22
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • Version 1.3: 2012-12-12
    Changes: Other
  • Version 1.4: 2017-11-29
    Changes: Derived calculations, Other
  • Version 1.5: 2020-05-27
    Changes: Derived calculations, Structure summary