1ELE

STRUCTURAL ANALYSIS OF THE ACTIVE SITE OF PORCINE PANCREATIC ELASTASE BASED ON THE X-RAY CRYSTAL STRUCTURES OF COMPLEXES WITH TRIFLUOROACETYL-DIPEPTIDE-ANILIDE INHIBITORS

Structural Biology Knowledgebase: 1ELE SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.171

Literature

Macromolecules
Sequence Display for 1ELE

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 26491.68

Macromolecule Entities
Molecule Chains Length Organism Details
ELASTASE E 240 Sus scrofa EC#: 3.4.21.36 IUBMB
Mutation: D81N
Gene Name(s): CELA1 Gene View ELA1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0QN
Query on 0QN

N-(trifluoroacetyl)-L-valyl-N-[4-(trifluoromethyl)phenyl]- L-alaninamide
C17 H19 F6 N3 O3
XAJBYSREBDCYAJ-CABZTGNLSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0QN N/A in BindingDB
Ki: 140 nM  BindingMOAD
N/A in PDBbind
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000360
Query on PRD_000360
E TRIFLUOROACETYL-L-VALYL-L-ALANYL-P-TRIFLUOROMETHYLANINIDE Peptide-like /
Inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.171
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 52.40 α = 90.00
b = 57.60 β = 90.00
c = 75.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-10-24
  • Released Date: 1995-02-14
  • Deposition author(s): Mattos, C., Petsko, G.A., Ringe, D.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords
  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4