1ELD

Structural analysis of the active site of porcine pancreatic elastase based on the x-ray crystal structures of complexes with trifluoroacetyl-dipeptide-anilide inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.196

Literature

Macromolecules
Sequence Display for 1ELD

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 26503.54

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
0Z0
Query on 0Z0

N-(trifluoroacetyl)-L-phenylalanyl-N-[4-(trifluoromethyl)phenyl]- L-alaninamide
TFAP (Synonym)
C21 H19 F6 N3 O3
YVHDCJDFGBMJNF-LRDDRELGSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACY
Query on ACY

ACETIC ACID
C2 H4 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-N
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 %)
0Z0 N/A in BindingDB
Ki: 200 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.196
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 52.03 α = 90.00
b = 57.76 β = 90.00
c = 75.32 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

  • Version 1_0: 1995-02-14

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance

  • Version 1_3: 2012-12-12

    Type: Other