1EAS

NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 3. DESIGN, SYNTHESIS, X-RAY CRYSTALLOGRAPHIC ANALYSIS, AND STRUCTURE-ACTIVITY RELATIONSHIPS FOR A SERIES OF ORALLY ACTIVE 3-AMINO-6-PHENYLPYRIDIN-2-ONE TRIFLUOROMETHYL KETONES

Structural Biology Knowledgebase: 1EAS SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.183

Literature

Macromolecules
Sequence Display for 1EAS

Classification: HYDROLASE (SERINE PROTEASE)

Total Structure Weight: 26727.84

Macromolecule Entities
Molecule Chains Length Organism Details
PORCINE PANCREATIC ELASTASE A 240 Sus scrofa EC#: 3.4.21.36 IUBMB
Mutation: D77N
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
TFK
Query on TFK

A 3-[[(METHYLAMINO)SULFONYL]AMINO]-2-OXO-6- PHENYL-N-[3,3,3-TRIFLUORO-1-(1-METHYLETHYL)- 2-OXOPHENYL]-1(2H)-PYRIDINE ACETAMIDE
C20 H23 F3 N4 O5 S
MYFMPKCOIMRDDD-KRWDZBQOSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

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

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
TFK N/A in BindingDB
N/A in BindingMoad
Ki: 18 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Observed: 0.183
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 51.95 α = 90.00
b = 57.73 β = 90.00
c = 75.56 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-11-22
  • Released Date: 1995-02-07
  • Deposition author(s): Ceccarelli, C.

Revision History

  • 2012-02-22
    Type: Citation | Details: Expand list of et al authors
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4