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


  • 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.

    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: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PORCINE PANCREATIC ELASTASE
A
240Sus scrofaGene Names: CELA1 (ELA1)
EC: 3.4.21.36
Find proteins for P00772 (Sus scrofa)
Go to Gene View: CELA1
Go to UniProtKB:  P00772
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

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

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Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
ICL
Query on ICL

Download SDF File 
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
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
ICLKi: 0.46 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 = 52.100α = 90.00
b = 58.000β = 90.00
c = 75.100γ = 90.00
Software Package:
Software NamePurpose
EREFrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



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
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance