1INC

CRYSTAL STRUCTURES OF THE COMPLEX OF PORCINE PANCREATIC ELASTASE WITH TWO VALINE-DERIVED BENZOXAZINONE INHIBITORS


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Work: 0.172 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structures of the complex of porcine pancreatic elastase with two valine-derived benzoxazinone inhibitors.

Radhakrishnan, R.Presta, L.G.Meyer Jr., E.F.Wildonger, R.

(1987) J Mol Biol 198: 417-424

  • DOI: 10.1016/0022-2836(87)90291-9
  • Primary Citation of Related Structures:  
    1INC

  • PubMed Abstract: 
  • The crystal structures of porcine pancreatic elastase complexed to two similar benzoxazinone inhibitors are reported to 2.09 A and 1.76 A resolution, and refined to conventional R factors of 0.153 and 0.172.


    Related Citations: 
    • Design, Synthesis, and Kinetic Evaluation of a Unique Class of Elastase Inhibitors, the Peptidyl Alpha-Ketobenzoxazoles, and the X-Ray Crystal Structure of the Covalent Complex between Porcine Pancreatic Elastase and Ac-Ala-Pro-Val-2-Benzoxazole
      Edwards, P.D., Meyer Junior, E.F., Vijayalakshmi, J., Tuthill, P.A., Andisik, D.A., Gomes, B., Strimpler, A.
      (1992) J Am Chem Soc 114: 1854

    Organizational Affiliation

    Department of Biochemistry and Biophysics, Texas A & M University, College Station 77843.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PORCINE PANCREATIC ELASTASEA240Sus scrofa domesticusMutation(s): 0 
EC: 3.4.21.36
Find proteins for P00772 (Sus scrofa)
Explore P00772 
Go to UniProtKB:  P00772
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ICL
Query on ICL

Download CCD File 
A
[1-(3-CHLORO-2-FORMYL-PHENYLCARBAMOYL)-2-METHYL-PROPYL]-CARBAMIC ACID TERT-BUTYL ESTER
C17 H23 Cl N2 O4
GBHYPZDGTWSQFR-AWEZNQCLSA-N
 Ligand Interaction
SO4
Query on SO4

Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
CA
Query on CA

Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
ICLKi :  0.46000000834465027   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Work: 0.172 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.1α = 90
b = 58β = 90
c = 75.1γ = 90
Software Package:
Software NamePurpose
EREFrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 1993-03-19 
  • Released Date: 1994-01-31 
  • Deposition Author(s): Meyer, E.

Revision History 

  • Version 1.0: 1994-01-31
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance