1BTU

PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S, 4R)-1-TOLUENESULPHONYL-3-ETHYL-AZETIDIN-2-ONE-4-CARBOXYLIC ACID


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.192

Literature

Macromolecules
Sequence Display for 1BTU

Classification: SERINE PROTEASE

Total Structure Weight: 26379.67

Macromolecule Entities
Molecule Chains Length Organism Details
ELASTASE A 240 Sus scrofa EC#: 3.4.21.36 IUBMB
Mutation: D77N
Details: PORCINE PANCREATIC ELASTASE
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
2BL
Query on 2BL

A (3R)-3-ethyl-N-[(4-methylphenyl)sulfonyl]- L-aspartic acid
C13 H17 N O6 S
KPHLTCNXHCHMOW-MNOVXSKESA-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)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.192
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 50.57 α = 90.00
b = 57.93 β = 90.00
c = 74.72 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-09-01
  • Released Date: 1999-02-16
  • Deposition author(s): Wilmouth, R.C., Clifton, I.J., Schofield, C.J.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4